List Of MeSH Codes (C01)
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The following is a partial list of the "C" codes for
Medical Subject Headings Medical Subject Headings (MeSH) is a comprehensive controlled vocabulary for the purpose of indexing Academic journal, journal articles and books in the Life science, life sciences. It serves as a thesaurus of index terms that facilitates searc ...
(MeSH), as defined by the
United States National Library of Medicine The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library. Located in Bethesda, Maryland, the NLM is an institute within the National Institutes of Health. I ...
(NLM). This list continues the information at List of MeSH codes (B08). Codes following these are found at
List of MeSH codes (C02) The following is a partial list of the "C" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM). This list continues the information at List of MeSH codes (C01). Codes following these are ...
. For other MeSH codes, see
List of MeSH codes The following is a list of the codes for MeSH (Medical Subject Headings), a comprehensive controlled vocabulary for the purpose of index (publishing), indexing journal articles and books in the life sciences. It is a product of the United States ...
. The source for this content is the set o
2020 MeSH Trees
from the NLM.


–

Infections An infection is the invasion of tissue (biology), tissues by pathogens, their multiplication, and the reaction of host (biology), host tissues to the infectious agent and the toxins they produce. An infectious disease, also known as a transmis ...



MeSH C01.069 Aneurysm, Infected



MeSH C01.100 Arthritis, Infectious

MeSH C01.100.500 Arthritis, Reactive



MeSH C01.125 Asymptomatic Infections


MeSH C01.150 Bacterial Infections and Mycoses
/h2>


MeSH C01.150.252 Bacterial Infections

MeSH C01.150.703 Mycoses



MeSH C01.160 Bone Diseases, Infectious


MeSH C01.160.495 Osteomyelitis
*
MeSH C01.160.495.500 Mastoiditis
*
MeSH C01.160.495.750 Petrositis
*
MeSH C01.160.495.875 Pott Puffy Tumor

MeSH C01.160.595 Periostitis

MeSH C01.160.762 Spondylitis
*
MeSH C01.762.301 Discitis

MeSH C01.160.886 Tuberculosis, Osteoarticular
*
MeSH C01.160.886.722 Tuberculosis, Spinal



MeSH C01.190 Cardiovascular Infections


MeSH C01.190.249 Endocarditis, Bacterial
*
MeSH C01.190.249.407 Endocarditis, Subacute Bacterial

MeSH C01.190.500 Syphilis, Cardiovascular

MeSH C01.190.750 Tuberculosis, Cardiovascular
*
MeSH C01.190.7500.595 Pericarditis, Tuberculosis



MeSH C01.195 Catheter-Related Infections



MeSH C01.207 Central Nervous System Infections


MeSH C01.207.090 Brain Abscess
*
MeSH C01.207.090.800 Toxoplasmosis, Cerebral


–

bacteremia Bloodstream infections (BSIs) are infections of blood caused by blood-borne pathogens. The detection of microbes in the blood (most commonly accomplished by blood cultures) is always abnormal. A bloodstream infection is different from sepsis, wh ...

* –
hemorrhagic septicemia Haemorrhagic septicaemia (HS) is one of the most economically important pasteurelloses.De Alwis MCL (1999) Haemorrhagic septicaemia. Canberra: Australian Centre for International Agricultural Research. pp. 11–24.Carter GR and De Alwis MCL (1989 ...


– central nervous system bacterial infections

* –
brain abscess The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head ( cephalization), usually near organs for special sense ...
* – empyema, subdural * –
epidural abscess An epidural abscess refers to a collection of pus and infectious material located in the epidural space superficial to the dura mater which surrounds the central nervous system. Due to its location adjacent to brain or spinal cord, epidural absce ...
* – lyme neuroborreliosis * – meningitis, bacterial * – meningitis, escherichia coli * – meningitis, haemophilus * – meningitis, listeria * – meningitis, meningococcal * – waterhouse-friderichsen syndrome * – meningitis, pneumococcal * – tuberculosis, meningeal * –
neurosyphilis Neurosyphilis is the infection of the central nervous system by '' Treponema pallidum'', the bacterium that causes the sexually transmitted infection syphilis. In the era of modern antibiotics, the majority of neurosyphilis cases have been report ...


– endocarditis, bacterial

* – endocarditis, subacute bacterial


–

eye infections, bacterial An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system. In higher organisms, the eye ...

* – conjunctivitis, bacterial * – conjunctivitis, inclusion * –
ophthalmia neonatorum Ophthalmia (; also called ophthalmitis, and archaically obtalmy) is inflammation of the eye. It results in congestion of the eyeball, often eye-watering, redness and swelling, itching and burning, and a general feeling of irritation under the eye ...
* –
trachoma Trachoma is an infectious disease caused by bacterium '' Chlamydia trachomatis''. The infection causes a roughening of the inner surface of the eyelids. This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea ...
* –
hordeolum A stye, also known as a hordeolum, is a bacterial infection of an oil gland in the eyelid. This results in a red tender bump at the edge of the eyelid. The outside or the inside of the eyelid can be affected. The cause of a stye is usually a ...
* –
keratoconjunctivitis, infectious Keratoconjunctivitis is a term used to describe inflammation of both the cornea (the clear, front part of the eye) and the conjunctiva (the thin, transparent membrane covering the white part of the eye and lining the inside of the eyelids). This co ...
* –
tuberculosis, ocular Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
* – uveitis, suppurative * –
endophthalmitis Endophthalmitis, or endophthalmia, is inflammation of the interior cavity of the eye, usually caused by an infection. It is a possible complication of all intraocular surgeries, particularly cataract surgery, and can result in loss of vision or l ...
* –
panophthalmitis Panophthalmitis is the inflammation of all coats of the animal eye including intraocular structures. It can be caused by infection, particularly from ''Pseudomonas'' species, such as ''Pseudomonas aeruginosa'', ''Clostridium'' species, Whipple's ...


–

fournier gangrene Fournier gangrene is a type of necrotizing fasciitis or gangrene affecting the external genitalia or perineum. It commonly occurs in older men, but it can also occur both in women and children and in people with diabetes or alcoholism or those who ...


–

gram-negative bacterial infections Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. Their defining characteristic is that their cell envelope consists of ...

* – anaplasmataceae infections * –
anaplasmosis Anaplasmosis is a tick-borne disease affecting ruminants, dogs, and horses, and is caused by ''Anaplasma'' bacteria. Anaplasmosis is an infectious but not contagious disease. Anaplasmosis can be transmitted through mechanical and biological vector ...
* –
ehrlichiosis Ehrlichiosis is a tick-borne bacterial infection, caused by bacteria of the family Anaplasmataceae, genera '' Ehrlichia'' and '' Anaplasma''. These obligate intracellular bacteria infect and kill white blood cells. The average reported annua ...
* – heartwater disease * –
bacteroidaceae infections The Bacteroidaceae are a family (biology), family of environmental gram-negative bacteria commonly found in the human gut microbiota.Bergey's Manual of Systematic Bacteriology, 2nd ed., vol. 1 (The Archaea and the deeply branching and phototrophi ...
* –
bacteroides infections ''Bacteroides'' is a genus of Gram-negative, Obligate anaerobe, obligate anaerobic bacterium, bacteria. ''Bacteroides'' species are non endospore–forming bacillus (shape), bacilli, and may be either motile or nonmotile, depending on the species ...
* –
bartonellaceae infections ''Bartonella'' is a genus of Gram-negative bacterium, bacteria. It is the only genus in the family Bartonellaceae. Facultative parasite, Facultative intracellular parasites, ''Bartonella'' species can infect healthy people, but are considered e ...
* – bartonella infections * – angiomatosis, bacillary * –
cat-scratch disease Cat-scratch disease (CSD) is an infectious disease that most often results from a scratch or bite of a cat. Symptoms typically include a non-painful bump or blister at the site of injury and painful and swollen lymph nodes. People may feel tire ...
* –
trench fever Trench fever (also known as "five-day fever", "quintan fever" (), and "urban trench fever") is a moderately serious infectious disease caused by the bacterium '' Bartonella quintana'' and transmitted by body lice. From 1915 to 1918 between one-f ...
* – bordetella infections * –
whooping cough Whooping cough ( or ), also known as pertussis or the 100-day cough, is a highly contagious, Vaccine-preventable diseases, vaccine-preventable Pathogenic bacteria, bacterial disease. Initial symptoms are usually similar to those of the common c ...
* – borrelia infections * –
lyme disease Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species of ''Borrelia'' bacteria, Disease vector, transmitted by blood-feeding ticks in the genus ''Ixodes''. It is the most common disease spread by ticks in th ...
* –
erythema chronicum migrans Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology incl ...
* – lyme neuroborreliosis * –
relapsing fever Relapsing fever is a vector-borne disease caused by infection with certain bacteria in the genus '' Borrelia'', which is transmitted through the bites of lice, soft-bodied ticks (genus '' Ornithodoros''), or hard-bodied ticks (Genus Ixodes). ...
* –
brucellosis Brucellosis is a zoonosis spread primarily via ingestion of raw milk, unpasteurized milk from infected animals. It is also known as undulant fever, Malta fever, and Mediterranean fever. The bacteria causing this disease, ''Brucella'', are small ...
* – brucellosis, bovine * – burkholderia infections * –
glanders Glanders is a contagious, zoonotic infectious disease caused by the bacterium '' Burkholderia mallei'', which primarily occurs in horses, mules, and donkeys, but can also be contracted by dogs and cats, pigs, goats, and humans. The term ''glan ...
* –
melioidosis Melioidosis is an infectious disease caused by a gram-negative bacterium called ''Burkholderia pseudomallei''. Most people exposed to ''B. pseudomallei'' experience no symptoms, but complications can range from fever and skin changes to pneumon ...
* – campylobacter infections * –
cat-scratch disease Cat-scratch disease (CSD) is an infectious disease that most often results from a scratch or bite of a cat. Symptoms typically include a non-painful bump or blister at the site of injury and painful and swollen lymph nodes. People may feel tire ...
* – chlamydiaceae infections * –
chlamydia infections Chlamydia, or more specifically a chlamydia infection, is a sexually transmitted infection caused by the bacterium ''Chlamydia trachomatis''. Most people who are infected have no symptoms. When symptoms do appear, they may occur only several w ...
* – conjunctivitis, inclusion * –
lymphogranuloma venereum Lymphogranuloma venereum (LGV; also known as climatic bubo, Durand–Nicolas–Favre disease, poradenitis inguinale, lymphogranuloma inguinale, and strumous bubo) is a sexually transmitted infection caused by the invasive serovars L1, L2, L2a, ...
* –
trachoma Trachoma is an infectious disease caused by bacterium '' Chlamydia trachomatis''. The infection causes a roughening of the inner surface of the eyelids. This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea ...
* – chlamydophila infections * –
psittacosis Psittacosis—also known as parrot fever, and ornithosis—is a zoonotic infectious disease in humans caused by a bacterium called '' Chlamydia psittaci'' and contracted from infected parrots, such as macaws, cockatiels, and budgerigars, and ...
* – desulfovibrionaceae infections * – enterobacteriaceae infections * – dysentery, bacillary * – escherichia coli infections * – meningitis, escherichia coli * –
granuloma inguinale Granuloma inguinale is a bacterial disease caused by '' Klebsiella granulomatis'' (formerly known as ''Calymmatobacterium granulomatis'') characterized by genital ulcers. It is endemic in many less-developed regions. It is also known as donovan ...
* –
klebsiella infections ''Klebsiella pneumoniae'' is a Gram-negative, non-motile, encapsulated, lactose-fermenting, facultative anaerobic, rod-shaped bacterium. It appears as a mucoid lactose fermenter on MacConkey agar. Although found in the normal flora of the mou ...
* –
rhinoscleroma Rhinoscleroma, is a chronic granulomatous bacterial disease of the nose that can sometimes infect the upper respiratory tract.Palmer & Reeder. It most commonly affects the nasal cavity—the nose is involved in 95–100 per cent of cases—howeve ...
* –
proteus infections ''Proteus'' is a genus of Gram-negative bacteria. It is a rod shaped, aerobic and motile bacteria, which is able to migrate across surfaces due its “swarming” characteristic in temperatures between 20 and 37 °C. Their size generally ...
* – salmonella infections * –
paratyphoid fever Paratyphoid fever, also known simply as paratyphoid, is a bacterial infection caused by one of three types of '' Salmonella enterica''. Symptoms usually begin 6–30 days after exposure and are the same as those of typhoid fever. Often, a gradu ...
* –
salmonella food poisoning Salmonellosis is a symptomatic infection caused by bacteria of the ''Salmonella'' type. It is the most common disease to be known as food poisoning (though the name refers to food-borne illness in general). These are defined as diseases, usuall ...
* – salmonella infections, animal * –
typhoid fever Typhoid fever, also known simply as typhoid, is a disease caused by '' Salmonella enterica'' serotype Typhi bacteria, also called ''Salmonella'' Typhi. Symptoms vary from mild to severe, and usually begin six to 30 days after exposure. Often th ...
* – serratia infections * –
yersinia infections ''Yersinia'' is a genus of bacteria in the family Yersiniaceae. ''Yersinia'' species are Gram-negative, coccobacilli bacteria, a few micrometers long and fractions of a micrometer in diameter, and are facultative anaerobes. Some members of ''Yer ...
* – plague * – yersinia pseudotuberculosis infections * – flavobacteriaceae infections * – flexibacteraceae infections * – fusobacteriaceae infections * –
fusobacterium infections ''Fusobacterium'' is a genus of obligate anaerobic, Gram-negative, non-sporeforming bacteria belonging to Gracilicutes. Individual cells are slender, rod-shaped bacilli with pointed ends. ''Fusobacterium'' was discovered in 1900 by Courmont and ...
* – gingivitis, necrotizing ulcerative * –
rat-bite fever Rat-bite fever (RBF) is an acute, febrile human illness caused by bacteria transmitted by rodents, in most cases, which is passed from rodent to human by the rodent's urine or mucous secretions. Alternative names for rat-bite fever include stre ...
* – helicobacter infections * –
legionellosis Legionnaires' disease is a form of atypical pneumonia caused by any species of ''Legionella'' bacteria, quite often ''Legionella pneumophila''. Signs and symptoms include cough, shortness of breath, high fever, muscle pains, and headaches. Nau ...
* –
legionnaires' disease Legionnaires' disease is a form of atypical pneumonia caused by any species of ''Legionella'' bacteria, quite often ''Legionella pneumophila''. Signs and symptoms include cough, shortness of breath, high fever, myalgia, muscle pains, and headach ...
* –
leptospirosis Leptospirosis is a blood infection caused by the bacterium ''Leptospira'' that can infect humans, dogs, rodents and many other wild and domesticated animals. Signs and symptoms can range from none to mild (headaches, Myalgia, muscle pains, a ...
* – weil disease * – moraxellaceae infections * – acinetobacter infections * – mycoplasmatales infections * – mycoplasma infections * – pleuropneumonia, contagious * – pneumonia, mycoplasma * – ureaplasma infections * – neisseriaceae infections * –
gonorrhea Gonorrhoea or gonorrhea, colloquially known as the clap, is a sexually transmitted infection (STI) caused by the bacterium ''Neisseria gonorrhoeae''. Infection may involve the genitals, mouth, or rectum. Gonorrhea is spread through sexual c ...
* –
ophthalmia neonatorum Ophthalmia (; also called ophthalmitis, and archaically obtalmy) is inflammation of the eye. It results in congestion of the eyeball, often eye-watering, redness and swelling, itching and burning, and a general feeling of irritation under the eye ...
* – meningococcal infections * – meningitis, meningococcal * – waterhouse-friderichsen syndrome * – pasteurellaceae infections * – actinobacillus infections * – actinobacillosis * – haemophilus infections * –
chancroid Chancroid ( ) is a bacterial sexually transmitted infection characterized by painful sores on the genitalia. Chancroid is known to spread from one individual to another solely through sexual contact. However, there have been reports of accidenta ...
* – meningitis, haemophilus * – pasteurella infections * –
hemorrhagic septicemia Haemorrhagic septicaemia (HS) is one of the most economically important pasteurelloses.De Alwis MCL (1999) Haemorrhagic septicaemia. Canberra: Australian Centre for International Agricultural Research. pp. 11–24.Carter GR and De Alwis MCL (1989 ...
* – pasteurellosis, pneumonic * – piscirickettsiaceae infections * – pseudomonas infections * –
q fever Q fever or query fever is a disease caused by infection with ''Coxiella burnetii'', a bacterium that affects humans and other animals. This organism is uncommon, but may be found in cattle, sheep, goats, and other domestic mammals, including ...
* –
rat-bite fever Rat-bite fever (RBF) is an acute, febrile human illness caused by bacteria transmitted by rodents, in most cases, which is passed from rodent to human by the rodent's urine or mucous secretions. Alternative names for rat-bite fever include stre ...
* – rickettsiaceae infections * – pneumonia, rickettsial * –
rickettsia infections ''Rickettsia'' is a genus of nonmotile, gram-negative, nonspore-forming, highly pleomorphic bacteria that may occur in the forms of cocci (0.1 μm in diameter), bacilli (1–4 μm long), or threads (up to about 10 μm long). The genus was na ...
* –
boutonneuse fever Boutonneuse fever (also called Mediterranean spotted fever, ''fièvre boutonneuse'', Kenya tick typhus, Indian tick typhus, Marseilles fever, or Astrakhan fever) is a fever as a result of a rickettsial infection caused by the bacterium '' Ricketts ...
* –
rocky mountain spotted fever Rocky Mountain spotted fever (RMSF) is a bacterial disease spread by ticks. It typically begins with a fever and headache, which is followed a few days later with the development of a rash. The rash is generally Petechial rash, made up of small s ...
* – typhus, endemic flea-borne * – typhus, epidemic louse-borne * –
scrub typhus Scrub typhus or bush typhus is a form of typhus caused by the intracellular parasite '' Orientia tsutsugamushi'', a Gram-negative α-proteobacterium of family Rickettsiaceae first isolated and identified in 1930 in Japan.tick-borne diseases Tick-borne diseases, which afflict humans and other animals, are caused by infectious agents transmitted by tick bites. They are caused by infection with a variety of pathogens, including rickettsia and other types of bacteria, viruses, and proto ...
* –
anaplasmosis Anaplasmosis is a tick-borne disease affecting ruminants, dogs, and horses, and is caused by ''Anaplasma'' bacteria. Anaplasmosis is an infectious but not contagious disease. Anaplasmosis can be transmitted through mechanical and biological vector ...
* –
boutonneuse fever Boutonneuse fever (also called Mediterranean spotted fever, ''fièvre boutonneuse'', Kenya tick typhus, Indian tick typhus, Marseilles fever, or Astrakhan fever) is a fever as a result of a rickettsial infection caused by the bacterium '' Ricketts ...
* –
ehrlichiosis Ehrlichiosis is a tick-borne bacterial infection, caused by bacteria of the family Anaplasmataceae, genera '' Ehrlichia'' and '' Anaplasma''. These obligate intracellular bacteria infect and kill white blood cells. The average reported annua ...
* – heartwater disease * –
lyme disease Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species of ''Borrelia'' bacteria, Disease vector, transmitted by blood-feeding ticks in the genus ''Ixodes''. It is the most common disease spread by ticks in th ...
* –
erythema chronicum migrans Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology incl ...
* – lyme neuroborreliosis * –
relapsing fever Relapsing fever is a vector-borne disease caused by infection with certain bacteria in the genus '' Borrelia'', which is transmitted through the bites of lice, soft-bodied ticks (genus '' Ornithodoros''), or hard-bodied ticks (Genus Ixodes). ...
* –
rocky mountain spotted fever Rocky Mountain spotted fever (RMSF) is a bacterial disease spread by ticks. It typically begins with a fever and headache, which is followed a few days later with the development of a rash. The rash is generally Petechial rash, made up of small s ...
* –
tularemia Tularemia, also known as rabbit fever, is an infectious disease caused by the bacterium '' Francisella tularensis''. Symptoms may include fever, skin ulcers, and enlarged lymph nodes. Occasionally, a form that results in pneumonia or a throat ...
* – treponemal infections * – pinta * –
syphilis Syphilis () is a sexually transmitted infection caused by the bacterium ''Treponema pallidum'' subspecies ''pallidum''. The signs and symptoms depend on the stage it presents: primary, secondary, latent syphilis, latent or tertiary. The prim ...
* –
chancre A chancre ( )-4; we might wonder whether there's a point at which it's appropriate to talk of the beginnings of French, that is, when it wa .... Related to the English "canker", they both come from the Latin ''cancer'', meaning "crab",
* –
neurosyphilis Neurosyphilis is the infection of the central nervous system by '' Treponema pallidum'', the bacterium that causes the sexually transmitted infection syphilis. In the era of modern antibiotics, the majority of neurosyphilis cases have been report ...
* –
tabes dorsalis Tabes dorsalis is a late consequence of neurosyphilis, characterized by the slow degeneration (specifically, demyelination) of the neural tracts primarily in the Dorsal root ganglion, dorsal root ganglia of the spinal cord (nerve root). These pati ...
* – syphilis, cardiovascular * – syphilis, congenital * – syphilis, cutaneous * – syphilis, latent * –
yaws Yaws is a tropical infection of the skin, bones, and joints caused by the spirochete bacterium ''Treponema pallidum pertenue''. The disease begins with a round, hard swelling of the skin, in diameter. The center may break open and form an ulc ...
* –
tularemia Tularemia, also known as rabbit fever, is an infectious disease caused by the bacterium '' Francisella tularensis''. Symptoms may include fever, skin ulcers, and enlarged lymph nodes. Occasionally, a form that results in pneumonia or a throat ...
* – vibrio infections * –
cholera Cholera () is an infection of the small intestine by some Strain (biology), strains of the Bacteria, bacterium ''Vibrio cholerae''. Symptoms may range from none, to mild, to severe. The classic symptom is large amounts of watery diarrhea last ...


– gram-positive bacterial infections

* – actinomycetales infections * –
actinomycosis Actinomycosis is a rare infectious disease, infectious bacterial disease caused by the gram-positive ''Actinomyces'' species. The name refers to ray-like appearance of the organisms in the granules. About 70% of infections are due to either ''Acti ...
* – actinomycosis, cervicofacial * –
whipple disease Whipple's disease is a rare systemic infectious disease caused by the bacterium '' Tropheryma whipplei''. First described by George Hoyt Whipple in 1907 and commonly considered as a gastrointestinal disorder, Whipple's disease primarily causes ...
* – corynebacterium infections * –
diphtheria Diphtheria is an infection caused by the bacteria, bacterium ''Corynebacterium diphtheriae''. Most infections are asymptomatic or have a mild Course (medicine), clinical course, but in some outbreaks, the mortality rate approaches 10%. Signs a ...
* –
erythrasma Erythrasma is a superficial skin infection that causes brown, scaly skin patches. It is caused by ''Corynebacterium minutissimum'' bacteria, a normal part of skin flora (the microorganisms that are normally present on the skin). There are two typ ...
* – mycobacterium infections * –
leprosy Leprosy, also known as Hansen's disease (HD), is a Chronic condition, long-term infection by the bacteria ''Mycobacterium leprae'' or ''Mycobacterium lepromatosis''. Infection can lead to damage of the Peripheral nervous system, nerves, respir ...
* – leprosy, borderline * – leprosy, lepromatous * – leprosy, tuberculoid * – mycobacterium infections, atypical * –
mycobacterium avium-intracellulare infection ''Mycobacterium avium-intracellulare'' infection (MAI) is an atypical mycobacterial infection, i.e. one with nontuberculous mycobacteria or NTM, caused by ''Mycobacterium avium'' complex (MAC), which is made of two ''Mycobacterium'' species, ''M ...
* –
paratuberculosis Paratuberculosis is a contagious, chronic and sometimes fatal infection that primarily affects the small intestine of ruminants. It is caused by the bacterium ''Mycobacterium avium'' subspecies ''paratuberculosis''. Infections normally affect r ...
* –
tuberculosis Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
* – peritonitis, tuberculous * –
tuberculoma A tuberculoma is a clinical manifestation of tuberculosis which conglomerates tubercles into a firm lump, and so can mimic cancer tumors of many types in medical imaging studies. They often arise within individuals in whom a primary tuberculosis ...
* – tuberculoma, intracranial * – tuberculosis, avian * – tuberculosis, bovine * – tuberculosis, cardiovascular * – pericarditis, tuberculous * – tuberculosis, central nervous system * – tuberculoma, intracranial * – tuberculosis, meningeal * – tuberculosis, cutaneous * –
erythema induratum Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology inc ...
* –
lupus Lupus, formally called systemic lupus erythematosus (SLE), is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body. Symptoms vary among people and may be mild to severe. Common ...
* – tuberculosis, endocrine * – tuberculosis, gastrointestinal * – tuberculosis, hepatic * – tuberculosis, laryngeal * – tuberculosis, lymph node * –
king's evil Kings or King's may refer to: *Kings: The sovereign heads of states and/or nations. *One of several works known as the "Book of Kings": **The Books of Kings part of the Bible, divided into two parts **The ''Shahnameh'', an 11th-century epic Persia ...
* – tuberculosis, miliary * – tuberculosis, multidrug-resistant * –
tuberculosis, ocular Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
* – tuberculosis, oral * – tuberculosis, osteoarticular * – tuberculosis, spinal * – tuberculosis, pleural * – empyema, tuberculous * – tuberculosis, pulmonary * – silicotuberculosis * – tuberculosis, splenic * – tuberculosis, urogenital * – tuberculosis, female genital * – tuberculosis, male genital * – tuberculosis, renal * – nocardia infections * – maduromycosis * – bacillaceae infections * –
anthrax Anthrax is an infection caused by the bacterium '' Bacillus anthracis'' or ''Bacillus cereus'' biovar ''anthracis''. Infection typically occurs by contact with the skin, inhalation, or intestinal absorption. Symptom onset occurs between one ...
* – bifidobacteriales infections * –
clostridium infections ''Clostridium'' is a genus of anaerobic, Gram-positive bacteria. Species of ''Clostridium'' inhabit soils and the intestinal tracts of animals, including humans. This genus includes several significant human pathogens, including the causative a ...
* –
botulism Botulism is a rare and potentially fatal illness caused by botulinum toxin, which is produced by the bacterium ''Clostridium botulinum''. The disease begins with weakness, blurred vision, Fatigue (medical), feeling tired, and trouble speaking. ...
* – enterocolitis, pseudomembranous * – enterotoxemia * –
gas gangrene Gas gangrene (also known as clostridial myonecrosis) is a bacterial infection that produces tissue gas in gangrene. This deadly form of gangrene usually is caused by '' Clostridium perfringens'' bacteria. About 1,000 cases of gas gangrene are r ...
* –
tetanus Tetanus (), also known as lockjaw, is a bacterial infection caused by ''Clostridium tetani'' and characterized by muscle spasms. In the most common type, the spasms begin in the jaw and then progress to the rest of the body. Each spasm usually l ...
* – erysipelothrix infections * –
erysipeloid In humans, '' Erysipelothrix rhusiopathiae'' infections most commonly present in a mild cutaneous form known as erysipeloid or fish poisoning. ''E. rhusiopathiae'' can cause an indolent cellulitis, more commonly in individuals who handle fish an ...
* –
swine erysipelas ''Erysipelothrix rhusiopathiae'' is a Gram-positive bacteria, Gram-positive, catalase-negative, rod-shaped, non-spore-forming, nonacid-fast, nonmotile Bacteria, bacterium. Distributed worldwide, ''E. rhusiopathiae'' is primarily considered an ...
* – listeria infections * – meningitis, listeria * – staphylococcal infections * – pneumonia, staphylococcal * – staphylococcal food poisoning * – staphylococcal skin infections * – furunculosis * –
carbuncle A carbuncle is a cluster of boils caused by bacterial infection, most commonly with ''Staphylococcus aureus'' or ''Streptococcus pyogenes''. The presence of a carbuncle is a sign that the immune system is active and fighting the infection. The ...
* –
impetigo Impetigo is a contagious bacterial infection that involves the superficial skin. The most common presentation is yellowish crusts on the face, arms, or legs. Less commonly there may be large blisters which affect the groin or armpits. The les ...
* –
staphylococcal scalded skin syndrome Staphylococcal scalded skin syndrome (SSSS) is a dermatology, dermatological condition caused by ''Staphylococcus aureus''. Signs and symptoms The disease presents with the widespread formation of fluid-filled blisters that are thin walled and ea ...
* –
streptococcal infections ''Streptococcus'' is a genus of gram-positive spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Bacillota. Cell division in streptococci occurs along a single ...
* –
ecthyma Ecthyma () is a variation of impetigo Impetigo is a contagious bacterial infection that involves the superficial skin. The most common presentation is yellowish crusts on the face, arms, or legs. Less commonly there may be large blisters wh ...
* – endocarditis, subacute bacterial * –
erysipelas Erysipelas () is a relatively common bacterial infection of the superficial layer of the skin ( upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright- red rash, ...
* – fasciitis, necrotizing * –
impetigo Impetigo is a contagious bacterial infection that involves the superficial skin. The most common presentation is yellowish crusts on the face, arms, or legs. Less commonly there may be large blisters which affect the groin or armpits. The les ...
* –
pneumococcal infections Pneumococcal infection is an infection caused by the bacterium ''Streptococcus pneumoniae''. ''S. pneumoniae'' is a common member of the bacterial flora colonizing the nose and throat of 5–10% of healthy adults and 20–40% of healthy childre ...
* – meningitis, pneumococcal * – pneumonia, pneumococcal * –
rheumatic fever Rheumatic fever (RF) is an inflammation#Disorders, inflammatory disease that can involve the heart, joints, skin, and brain. The disease typically develops two to four weeks after a Streptococcal pharyngitis, streptococcal throat infection. Si ...
* –
rheumatic heart disease Valvular heart disease is any cardiovascular disease process involving one or more of the four valves of the heart (the aortic and mitral valves on the left side of heart and the pulmonic and tricuspid valves on the right side of heart). The ...
* –
scarlet fever Scarlet fever, also known as scarlatina, is an infectious disease caused by ''Streptococcus pyogenes'', a Group A streptococcus (GAS). It most commonly affects children between five and 15 years of age. The signs and symptoms include a sore ...


– pneumonia, bacterial

* – pneumonia, mycoplasma * – pneumonia of calves, enzootic * – pneumonia of swine, mycoplasmal * – pneumonia, pneumococcal * – pneumonia, rickettsial * – pneumonia, staphylococcal


– sexually transmitted diseases, bacterial

* –
chancroid Chancroid ( ) is a bacterial sexually transmitted infection characterized by painful sores on the genitalia. Chancroid is known to spread from one individual to another solely through sexual contact. However, there have been reports of accidenta ...
* –
chlamydia infections Chlamydia, or more specifically a chlamydia infection, is a sexually transmitted infection caused by the bacterium ''Chlamydia trachomatis''. Most people who are infected have no symptoms. When symptoms do appear, they may occur only several w ...
* –
lymphogranuloma venereum Lymphogranuloma venereum (LGV; also known as climatic bubo, Durand–Nicolas–Favre disease, poradenitis inguinale, lymphogranuloma inguinale, and strumous bubo) is a sexually transmitted infection caused by the invasive serovars L1, L2, L2a, ...
* –
gonorrhea Gonorrhoea or gonorrhea, colloquially known as the clap, is a sexually transmitted infection (STI) caused by the bacterium ''Neisseria gonorrhoeae''. Infection may involve the genitals, mouth, or rectum. Gonorrhea is spread through sexual c ...
* –
granuloma inguinale Granuloma inguinale is a bacterial disease caused by '' Klebsiella granulomatis'' (formerly known as ''Calymmatobacterium granulomatis'') characterized by genital ulcers. It is endemic in many less-developed regions. It is also known as donovan ...
* –
syphilis Syphilis () is a sexually transmitted infection caused by the bacterium ''Treponema pallidum'' subspecies ''pallidum''. The signs and symptoms depend on the stage it presents: primary, secondary, latent syphilis, latent or tertiary. The prim ...


– skin diseases, bacterial

* – actinomycosis, cervicofacial * – angiomatosis, bacillary * –
ecthyma Ecthyma () is a variation of impetigo Impetigo is a contagious bacterial infection that involves the superficial skin. The most common presentation is yellowish crusts on the face, arms, or legs. Less commonly there may be large blisters wh ...
* –
erysipelas Erysipelas () is a relatively common bacterial infection of the superficial layer of the skin ( upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright- red rash, ...
* –
erythema chronicum migrans Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology incl ...
* –
erythrasma Erythrasma is a superficial skin infection that causes brown, scaly skin patches. It is caused by ''Corynebacterium minutissimum'' bacteria, a normal part of skin flora (the microorganisms that are normally present on the skin). There are two typ ...
* –
granuloma inguinale Granuloma inguinale is a bacterial disease caused by '' Klebsiella granulomatis'' (formerly known as ''Calymmatobacterium granulomatis'') characterized by genital ulcers. It is endemic in many less-developed regions. It is also known as donovan ...
* –
hidradenitis suppurativa Hidradenitis suppurativa (HS), sometimes known as acne inversa or Verneuil's disease, is a long-term dermatological condition characterized by the occurrence of inflamed and swollen lesions, lumps. These are typically painful and break open, r ...
* – maduromycosis * – pinta * –
rhinoscleroma Rhinoscleroma, is a chronic granulomatous bacterial disease of the nose that can sometimes infect the upper respiratory tract.Palmer & Reeder. It most commonly affects the nasal cavity—the nose is involved in 95–100 per cent of cases—howeve ...
* – staphylococcal skin infections * – furunculosis * –
carbuncle A carbuncle is a cluster of boils caused by bacterial infection, most commonly with ''Staphylococcus aureus'' or ''Streptococcus pyogenes''. The presence of a carbuncle is a sign that the immune system is active and fighting the infection. The ...
* –
impetigo Impetigo is a contagious bacterial infection that involves the superficial skin. The most common presentation is yellowish crusts on the face, arms, or legs. Less commonly there may be large blisters which affect the groin or armpits. The les ...
* –
staphylococcal scalded skin syndrome Staphylococcal scalded skin syndrome (SSSS) is a dermatology, dermatological condition caused by ''Staphylococcus aureus''. Signs and symptoms The disease presents with the widespread formation of fluid-filled blisters that are thin walled and ea ...
* – syphilis, cutaneous * – tuberculosis, cutaneous * –
erythema induratum Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology inc ...
* –
lupus Lupus, formally called systemic lupus erythematosus (SLE), is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body. Symptoms vary among people and may be mild to severe. Common ...
* –
yaws Yaws is a tropical infection of the skin, bones, and joints caused by the spirochete bacterium ''Treponema pallidum pertenue''. The disease begins with a round, hard swelling of the skin, in diameter. The center may break open and form an ulc ...


– spirochaetales infections

* – borrelia infections * –
lyme disease Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species of ''Borrelia'' bacteria, Disease vector, transmitted by blood-feeding ticks in the genus ''Ixodes''. It is the most common disease spread by ticks in th ...
* –
erythema chronicum migrans Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology incl ...
* – lyme neuroborreliosis * –
relapsing fever Relapsing fever is a vector-borne disease caused by infection with certain bacteria in the genus '' Borrelia'', which is transmitted through the bites of lice, soft-bodied ticks (genus '' Ornithodoros''), or hard-bodied ticks (Genus Ixodes). ...
* –
leptospirosis Leptospirosis is a blood infection caused by the bacterium ''Leptospira'' that can infect humans, dogs, rodents and many other wild and domesticated animals. Signs and symptoms can range from none to mild (headaches, Myalgia, muscle pains, a ...
* – weil disease * – treponemal infections * – pinta * –
syphilis Syphilis () is a sexually transmitted infection caused by the bacterium ''Treponema pallidum'' subspecies ''pallidum''. The signs and symptoms depend on the stage it presents: primary, secondary, latent syphilis, latent or tertiary. The prim ...
* –
chancre A chancre ( )-4; we might wonder whether there's a point at which it's appropriate to talk of the beginnings of French, that is, when it wa .... Related to the English "canker", they both come from the Latin ''cancer'', meaning "crab",
* –
neurosyphilis Neurosyphilis is the infection of the central nervous system by '' Treponema pallidum'', the bacterium that causes the sexually transmitted infection syphilis. In the era of modern antibiotics, the majority of neurosyphilis cases have been report ...
* –
tabes dorsalis Tabes dorsalis is a late consequence of neurosyphilis, characterized by the slow degeneration (specifically, demyelination) of the neural tracts primarily in the Dorsal root ganglion, dorsal root ganglia of the spinal cord (nerve root). These pati ...
* – syphilis, cardiovascular * – syphilis, congenital * – syphilis, cutaneous * – syphilis, latent * –
yaws Yaws is a tropical infection of the skin, bones, and joints caused by the spirochete bacterium ''Treponema pallidum pertenue''. The disease begins with a round, hard swelling of the skin, in diameter. The center may break open and form an ulc ...


– vaginosis, bacterial


–

brain abscess The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head ( cephalization), usually near organs for special sense ...


– toxoplasmosis, cerebral


–

central nervous system infections The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain, spinal cord and retina. The CNS is so named because the brain integrates the received information and coordinates and influences the activity o ...


– central nervous system bacterial infections


– empyema, subdural


–

infection An infection is the invasion of tissue (biology), tissues by pathogens, their multiplication, and the reaction of host (biology), host tissues to the infectious agent and the toxins they produce. An infectious disease, also known as a transmis ...


– aneurysm, infected


– arthritis, infectious

* – arthritis, reactive


– bone diseases, infectious

* –
osteitis Osteitis is inflammation of bone. More specifically, it can refer to one of the following conditions: * Osteomyelitis, or ''infectious osteitis'', mainly ''bacterial osteitis'' * Alveolar osteitis or "dry socket" * Condensing osteitis (or Osteit ...
* –
osteomyelitis Osteomyelitis (OM) is the infectious inflammation of bone marrow. Symptoms may include pain in a specific bone with overlying redness, fever, and weakness. The feet, spine, and hips are the most commonly involved bones in adults. The cause is ...
* –
periostitis Periostitis, also known as periostalgia, is a medical condition caused by inflammation of the periosteum, a layer of connective tissue that surrounds bone. The condition is generally chronic and is marked by tenderness and swelling of the bone an ...
* –
spondylitis Spondylitis is an inflammation of the vertebrae. It is a form of spondylopathy. In many cases, spondylitis involves one or more vertebral joints, as well, which itself is called spondylarthritis. __TOC__ Types Pott disease is a tuberculous d ...
* –
discitis Discitis, or diskitis, is an infection in the intervertebral disc space that affects different age groups. Symptoms include severe back pain, leading to lack of mobility. In adults, it can lead to severe consequences, such as sepsis or epidural ...
* – tuberculosis, osteoarticular * – tuberculosis, spinal


–

communicable diseases infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. An infectious disease, also known as a transmissible disease or communicable disea ...

* – communicable diseases, emerging


– community-acquired infections


–

cross infection Cross-species transmission (CST), also called interspecies transmission, host jump, or spillover, is the transmission of an infectious pathogen, such as a virus, between hosts belonging to different species. Once introduced into an individual of ...


– eye infections

* –
corneal ulcer Corneal ulcer, often resulting from keratitis is an inflammatory or, more seriously, infective condition of the cornea involving disruption of its epithelial layer with involvement of the corneal stroma. It is a common condition in humans part ...
* –
eye infections, bacterial An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system. In higher organisms, the eye ...
* – conjunctivitis, bacterial * – conjunctivitis, inclusion * –
ophthalmia neonatorum Ophthalmia (; also called ophthalmitis, and archaically obtalmy) is inflammation of the eye. It results in congestion of the eyeball, often eye-watering, redness and swelling, itching and burning, and a general feeling of irritation under the eye ...
* –
trachoma Trachoma is an infectious disease caused by bacterium '' Chlamydia trachomatis''. The infection causes a roughening of the inner surface of the eyelids. This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea ...
* –
hordeolum A stye, also known as a hordeolum, is a bacterial infection of an oil gland in the eyelid. This results in a red tender bump at the edge of the eyelid. The outside or the inside of the eyelid can be affected. The cause of a stye is usually a ...
* –
keratoconjunctivitis, infectious Keratoconjunctivitis is a term used to describe inflammation of both the cornea (the clear, front part of the eye) and the conjunctiva (the thin, transparent membrane covering the white part of the eye and lining the inside of the eyelids). This co ...
* –
tuberculosis, ocular Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
* – uveitis, suppurative * –
endophthalmitis Endophthalmitis, or endophthalmia, is inflammation of the interior cavity of the eye, usually caused by an infection. It is a possible complication of all intraocular surgeries, particularly cataract surgery, and can result in loss of vision or l ...
* –
panophthalmitis Panophthalmitis is the inflammation of all coats of the animal eye including intraocular structures. It can be caused by infection, particularly from ''Pseudomonas'' species, such as ''Pseudomonas aeruginosa'', ''Clostridium'' species, Whipple's ...
* –
eye infections, fungal An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system. In higher organisms, the eye ...
* – uveitis, suppurative * –
endophthalmitis Endophthalmitis, or endophthalmia, is inflammation of the interior cavity of the eye, usually caused by an infection. It is a possible complication of all intraocular surgeries, particularly cataract surgery, and can result in loss of vision or l ...
* –
panophthalmitis Panophthalmitis is the inflammation of all coats of the animal eye including intraocular structures. It can be caused by infection, particularly from ''Pseudomonas'' species, such as ''Pseudomonas aeruginosa'', ''Clostridium'' species, Whipple's ...


– focal infection

* – focal infection, dental


– gingivitis, necrotizing ulcerative


– laboratory infection


–

ludwig's angina Ludwig's angina () is a type of severe cellulitis involving the floor of the mouth and is often caused by bacterial sources. Early in the infection, the floor of the mouth raises due to swelling, leading to difficulty swallowing saliva. As a resu ...


–

opportunistic infections 300px, ''Opportunity Seized, Opportunity Missed'', engraving by Theodoor Galle, 1605 Opportunism is the practice of taking advantage of circumstances — with little regard for principles or with what the consequences are for others. Oppor ...

* –
aids-related opportunistic infections An opportunistic infection is an infection that occurs most commonly in individuals with an immunodeficiency disorder and acts more severe on those with a weakened immune system. These types of infections are considered serious and can be caused b ...
* –
superinfection A superinfection is a second infection superimposed on an earlier one, especially by a different microbial agent of exogenous or endogenous origin, that is resistant to the treatment being used against the first infection. Examples of this in bact ...


–

pelvic infection Pelvic inflammatory disease (PID), also known as pelvic inflammatory disorder, is an infection of the upper part of the female reproductive system, mainly the uterus, fallopian tubes, and ovaries, and inside of the pelvis. Often, there may be no ...

* –
pelvic inflammatory disease Pelvic inflammatory disease (PID), also known as pelvic inflammatory disorder, is an infection of the upper part of the female reproductive system, mainly the uterus, fallopian tubes, and ovaries, and inside of the pelvis. Often, there may be no ...


– pregnancy complications, infectious

* – abortion, septic * – puerperal infection


– prosthesis-related infections


– reiter disease


–

respiratory tract infections Respiratory tract infections (RTIs) are infectious diseases involving the lower or upper respiratory tract. An infection of this type usually is further classified as an upper respiratory tract infection (URI or URTI) or a lower respiratory tract ...

* – empyema, pleural * – empyema, tuberculous * –
whooping cough Whooping cough ( or ), also known as pertussis or the 100-day cough, is a highly contagious, Vaccine-preventable diseases, vaccine-preventable Pathogenic bacteria, bacterial disease. Initial symptoms are usually similar to those of the common c ...


–

sepsis Sepsis is a potentially life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs. This initial stage of sepsis is followed by suppression of the immune system. Common signs and s ...

* –
septicemia Sepsis is a potentially life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs. This initial stage of sepsis is followed by suppression of the immune system. Common signs and s ...
* –
bacteremia Bloodstream infections (BSIs) are infections of blood caused by blood-borne pathogens. The detection of microbes in the blood (most commonly accomplished by blood cultures) is always abnormal. A bloodstream infection is different from sepsis, wh ...
* –
hemorrhagic septicemia Haemorrhagic septicaemia (HS) is one of the most economically important pasteurelloses.De Alwis MCL (1999) Haemorrhagic septicaemia. Canberra: Australian Centre for International Agricultural Research. pp. 11–24.Carter GR and De Alwis MCL (1989 ...
* –
fungemia Fungemia is the presence of fungi or yeast in the blood. The most common type, also known as candidemia, candedemia, or systemic candidiasis, is caused by '' Candida'' species. Candidemia is also among the most common bloodstream infections o ...
* –
parasitemia Parasitemia is the quantitative content of parasites in the blood. It is used as a measurement of parasite load in the organism and an indication of the degree of an active parasitic infection. Systematic measurement of parasitemia is important in ...
* – sepsis syndrome * – shock, septic * –
viremia Viremia is a medical condition where viruses enter the bloodstream and hence have access to the rest of the body. It is similar to ''bacteremia'', a condition where bacteria enter the bloodstream. The name comes from combining the word "virus" wi ...


–

sexually transmitted diseases A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, especially vaginal intercourse, anal sex, oral ...

* – sexually transmitted diseases, bacterial * –
chancroid Chancroid ( ) is a bacterial sexually transmitted infection characterized by painful sores on the genitalia. Chancroid is known to spread from one individual to another solely through sexual contact. However, there have been reports of accidenta ...
* –
chlamydia infections Chlamydia, or more specifically a chlamydia infection, is a sexually transmitted infection caused by the bacterium ''Chlamydia trachomatis''. Most people who are infected have no symptoms. When symptoms do appear, they may occur only several w ...
* –
lymphogranuloma venereum Lymphogranuloma venereum (LGV; also known as climatic bubo, Durand–Nicolas–Favre disease, poradenitis inguinale, lymphogranuloma inguinale, and strumous bubo) is a sexually transmitted infection caused by the invasive serovars L1, L2, L2a, ...
* –
gonorrhea Gonorrhoea or gonorrhea, colloquially known as the clap, is a sexually transmitted infection (STI) caused by the bacterium ''Neisseria gonorrhoeae''. Infection may involve the genitals, mouth, or rectum. Gonorrhea is spread through sexual c ...
* –
granuloma inguinale Granuloma inguinale is a bacterial disease caused by '' Klebsiella granulomatis'' (formerly known as ''Calymmatobacterium granulomatis'') characterized by genital ulcers. It is endemic in many less-developed regions. It is also known as donovan ...
* –
syphilis Syphilis () is a sexually transmitted infection caused by the bacterium ''Treponema pallidum'' subspecies ''pallidum''. The signs and symptoms depend on the stage it presents: primary, secondary, latent syphilis, latent or tertiary. The prim ...


– skin diseases, infectious

* –
cellulitis Cellulitis is usually a bacterial infection involving the inner layers of the skin. It specifically affects the dermis and subcutaneous fat. Signs and symptoms include an area of redness which increases in size over a few days. The borders of ...
* – dermatomycoses * –
blastomycosis Blastomycosis, also known as Gilchrist's disease, is a fungal infection, typically of the lungs, which can spread to brain, stomach, intestine and skin, where it appears as crusting purplish warty plaques with a roundish bumpy edge and central ...
* – candidiasis, chronic mucocutaneous * – candidiasis, cutaneous * –
chromoblastomycosis Chromoblastomycosis is a long-term mycosis, fungal infection of the skin and subcutaneous tissue (a chronic (medicine), chronic subcutaneous mycosis). It can be caused by many different types of fungi which become implanted under the skin, ofte ...
* – maduromycosis * –
paracoccidioidomycosis Paracoccidioidomycosis (PCM), also known as South American blastomycosis, is a fungal infection that can occur as a mouth and skin type, lymphangitic type, multi-organ involvement type (particularly lungs), or mixed type. If there are mouth ulcer ...
* –
sporotrichosis Sporotrichosis, also known as rose handler's disease, is a fungal infection that may be localised to skin, lungs, bone and joint, or become systemic. It presents with firm painless nodules that later ulcerate. Following initial exposure to '' Sp ...
* –
tinea Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin (a dermatomycosis), that may affect skin, hair, and nails. Typically it results in a red, itchy, scaly, circular rash. Hair loss may occur in the area affe ...
* –
onychomycosis Onychomycosis, also known as tinea unguium, is a fungal infection of the nail. Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed. Fingernails may be affected, but it is ...
* –
tinea capitis Tinea capitis (also known as "herpes tonsurans", "ringworm of the hair", "ringworm of the scalp", "scalp ringworm", and "tinea tonsurans") is a cutaneous fungal infection ( dermatophytosis) of the scalp. The disease is primarily caused by dermato ...
* – tinea favosa * –
tinea pedis Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin (a dermatomycosis), that may affect skin, hair, and nails. Typically it results in a red, itchy, scaly, circular rash. Hair loss may occur in the area aff ...
* –
tinea versicolor Tinea versicolor (also pityriasis versicolor) is a condition characterized by a skin eruption on the trunk and proximal extremities. The majority of tinea versicolor is caused by the fungus '' Malassezia globosa'', although '' Malassezia furfur' ...
* –
paronychia Paronychia is an inflammation of the skin around the nail, often due to bacteria or fungi. Its sudden (acute) occurrence is usually due to the bacterium ''Staphylococcus aureus''. Gradual (chronic) occurrences are typically caused by fungi ...
* – skin diseases, bacterial * – actinomycosis, cervicofacial * – angiomatosis, bacillary * –
ecthyma Ecthyma () is a variation of impetigo Impetigo is a contagious bacterial infection that involves the superficial skin. The most common presentation is yellowish crusts on the face, arms, or legs. Less commonly there may be large blisters wh ...
* –
erysipelas Erysipelas () is a relatively common bacterial infection of the superficial layer of the skin ( upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright- red rash, ...
* –
erythema chronicum migrans Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology incl ...
* –
erythrasma Erythrasma is a superficial skin infection that causes brown, scaly skin patches. It is caused by ''Corynebacterium minutissimum'' bacteria, a normal part of skin flora (the microorganisms that are normally present on the skin). There are two typ ...
* –
granuloma inguinale Granuloma inguinale is a bacterial disease caused by '' Klebsiella granulomatis'' (formerly known as ''Calymmatobacterium granulomatis'') characterized by genital ulcers. It is endemic in many less-developed regions. It is also known as donovan ...
* –
hidradenitis suppurativa Hidradenitis suppurativa (HS), sometimes known as acne inversa or Verneuil's disease, is a long-term dermatological condition characterized by the occurrence of inflamed and swollen lesions, lumps. These are typically painful and break open, r ...
* – maduromycosis * – pinta * –
rhinoscleroma Rhinoscleroma, is a chronic granulomatous bacterial disease of the nose that can sometimes infect the upper respiratory tract.Palmer & Reeder. It most commonly affects the nasal cavity—the nose is involved in 95–100 per cent of cases—howeve ...
* – staphylococcal skin infections * – furunculosis * –
carbuncle A carbuncle is a cluster of boils caused by bacterial infection, most commonly with ''Staphylococcus aureus'' or ''Streptococcus pyogenes''. The presence of a carbuncle is a sign that the immune system is active and fighting the infection. The ...
* –
impetigo Impetigo is a contagious bacterial infection that involves the superficial skin. The most common presentation is yellowish crusts on the face, arms, or legs. Less commonly there may be large blisters which affect the groin or armpits. The les ...
* –
staphylococcal scalded skin syndrome Staphylococcal scalded skin syndrome (SSSS) is a dermatology, dermatological condition caused by ''Staphylococcus aureus''. Signs and symptoms The disease presents with the widespread formation of fluid-filled blisters that are thin walled and ea ...
* – syphilis, cutaneous * – tuberculosis, cutaneous * –
erythema induratum Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology inc ...
* –
lupus Lupus, formally called systemic lupus erythematosus (SLE), is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body. Symptoms vary among people and may be mild to severe. Common ...
* –
yaws Yaws is a tropical infection of the skin, bones, and joints caused by the spirochete bacterium ''Treponema pallidum pertenue''. The disease begins with a round, hard swelling of the skin, in diameter. The center may break open and form an ulc ...


– soft tissue infections


–

suppuration Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during infections, regardless of cause. An accumulation of pus in an enclosed tissue space is known as an abscess, whereas a visible collec ...

* –
abscess An abscess is a collection of pus that has built up within the tissue of the body, usually caused by bacterial infection. Signs and symptoms of abscesses include redness, pain, warmth, and swelling. The swelling may feel fluid-filled when pre ...
* – abdominal abscess * –
liver abscess A liver abscess is a mass filled with pus inside the liver. Common causes are abdominal conditions such as appendicitis or diverticulitis due to haematogenous spread through the portal vein. It can also develop as a complication of a liver injury. ...
* – liver abscess, amebic * – liver abscess, pyogenic * –
subphrenic abscess Subphrenic abscess is a disease characterized by an accumulation of infected fluid between the diaphragm, liver, and spleen. This abscess develops after surgical operations like splenectomy. Presents with cough, increased respiratory rate with s ...
* –
brain abscess The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head ( cephalization), usually near organs for special sense ...
* – toxoplasmosis, cerebral * –
epidural abscess An epidural abscess refers to a collection of pus and infectious material located in the epidural space superficial to the dura mater which surrounds the central nervous system. Due to its location adjacent to brain or spinal cord, epidural absce ...
* –
lung abscess Lung abscess is a type of liquefactive necrosis of the lung tissue and formation of cavities (more than 2 cm) containing necrotic debris or fluid caused by microbial infection. This pus-filled cavity is often caused by aspiration, which m ...
* –
periapical abscess A dental abscess is a localized collection of pus associated with a tooth. The most common type of dental abscess is a periapical abscess, and the second most common is a periodontal abscess. In a periapical abscess, usually the origin is a ...
* –
periodontal abscess A periodontal abscess (also termed lateral abscess, or parietal abscess), is a localized collection of pus (i.e. an abscess) within the tissues of the periodontium. It is a type of dental abscess. A periodontal abscess occurs alongside a tooth, ...
* – peritonsillar abscess * – psoas abscess * –
retropharyngeal abscess Retropharyngeal abscess (RPA) is an abscess located in the tissues in the back of the throat behind the posterior pharyngeal wall (the retropharyngeal space). Because RPAs typically occur in deep tissue, they are difficult to diagnose by physical ...
* –
cellulitis Cellulitis is usually a bacterial infection involving the inner layers of the skin. It specifically affects the dermis and subcutaneous fat. Signs and symptoms include an area of redness which increases in size over a few days. The borders of ...
* –
empyema An empyema (; ) is a collection or gathering of pus within a naturally existing anatomical cavity. The term is most commonly used to refer to pleural empyema, which is empyema of the pleural cavity. It is similar or the same in meaning as an a ...
* – empyema, pleural * – empyema, tuberculous * – empyema, subdural * – otitis media, suppurative * – thyroiditis, suppurative * – uveitis, suppurative


– toxemia

* –
endotoxemia Lipopolysaccharide (LPS), now more commonly known as endotoxin, is a collective term for components of the outermost membrane of the cell envelope of gram-negative bacteria, such as '' E. coli'' and ''Salmonella'' with a common structural archit ...


–

urinary tract infections A urinary tract infection (UTI) is an infection that affects a part of the urinary tract. Lower urinary tract infections may involve the bladder (cystitis) or urethra ( urethritis) while upper urinary tract infections affect the kidney (pye ...

* –
bacteriuria Bacteriuria is the presence of bacteria in urine. Bacteriuria accompanied by symptoms is a urinary tract infection while that without is known as asymptomatic bacteriuria. Diagnosis is by urinalysis or urine culture. ''Escherichia coli'' is the ...
* –
pyuria Pyuria is the condition of urine containing white blood cells or pus. Defined as the presence of 6-10 or more neutrophils per high power field of unspun, voided mid-stream urine, it can be a sign of a bacterial urinary tract infection. Pyuria ...
* – schistosomiasis haematobia


–

wound infection A wound is any disruption of or damage to living tissue, such as skin, mucous membranes, or organs. Wounds can either be the sudden result of direct trauma (mechanical, thermal, chemical), or can develop slowly over time due to underlying diseas ...

* –
surgical wound infection Surgery is a medical specialty that uses manual and instrumental techniques to diagnose or treat pathological conditions (e.g., trauma, disease, injury, malignancy), to alter bodily functions (e.g., malabsorption created by bariatric surgery s ...


–

mycoses Fungal infection, also known as mycosis, is a disease caused by fungi. Different types are traditionally divided according to the part of the body affected: superficial, subcutaneous, and systemic. Superficial fungal infections include common ...


–

aspergillosis Aspergillosis is a fungal infection of usually the lungs, caused by the genus ''Aspergillus'', a common mold that is breathed in frequently from the air, but does not usually affect most people. It generally occurs in people with lung diseases su ...

* – aspergillosis, allergic bronchopulmonary * – neuroaspergillosis


–

blastomycosis Blastomycosis, also known as Gilchrist's disease, is a fungal infection, typically of the lungs, which can spread to brain, stomach, intestine and skin, where it appears as crusting purplish warty plaques with a roundish bumpy edge and central ...


–

candidiasis Candidiasis is a fungal infection due to any species of the genus '' Candida'' (a yeast). When it affects the mouth, in some countries it is commonly called thrush. Signs and symptoms include white patches on the tongue or other areas of the ...

* – candidiasis, chronic mucocutaneous * – candidiasis, cutaneous * – candidiasis, oral * – candidiasis, vulvovaginal


– central nervous system fungal infections

* – meningitis, fungal * – meningitis, cryptococcal


–

coccidioidomycosis Coccidioidomycosis (, ) is a mammalian mycosis, fungal disease caused by ''Coccidioides immitis'' or ''Coccidioides posadasii''. It is commonly known as cocci, Valley fever, California fever, desert rheumatism, or San Joaquin Valley fever. Cocci ...


–

cryptococcosis Cryptococcosis is a potentially fatal fungal infection of mainly the lungs, presenting as a pneumonia, and in the brain, where it appears as a meningitis. Coughing, difficulty breathing, chest pain and fever are seen when the lungs are infect ...

* – meningitis, cryptococcal


– dermatomycoses

* –
blastomycosis Blastomycosis, also known as Gilchrist's disease, is a fungal infection, typically of the lungs, which can spread to brain, stomach, intestine and skin, where it appears as crusting purplish warty plaques with a roundish bumpy edge and central ...
* – candidiasis, chronic mucocutaneous * – candidiasis, cutaneous * –
chromoblastomycosis Chromoblastomycosis is a long-term mycosis, fungal infection of the skin and subcutaneous tissue (a chronic (medicine), chronic subcutaneous mycosis). It can be caused by many different types of fungi which become implanted under the skin, ofte ...
* – maduromycosis * –
paracoccidioidomycosis Paracoccidioidomycosis (PCM), also known as South American blastomycosis, is a fungal infection that can occur as a mouth and skin type, lymphangitic type, multi-organ involvement type (particularly lungs), or mixed type. If there are mouth ulcer ...
* –
sporotrichosis Sporotrichosis, also known as rose handler's disease, is a fungal infection that may be localised to skin, lungs, bone and joint, or become systemic. It presents with firm painless nodules that later ulcerate. Following initial exposure to '' Sp ...
* –
tinea Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin (a dermatomycosis), that may affect skin, hair, and nails. Typically it results in a red, itchy, scaly, circular rash. Hair loss may occur in the area affe ...
* –
onychomycosis Onychomycosis, also known as tinea unguium, is a fungal infection of the nail. Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed. Fingernails may be affected, but it is ...
* –
tinea capitis Tinea capitis (also known as "herpes tonsurans", "ringworm of the hair", "ringworm of the scalp", "scalp ringworm", and "tinea tonsurans") is a cutaneous fungal infection ( dermatophytosis) of the scalp. The disease is primarily caused by dermato ...
* – tinea favosa * –
tinea pedis Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin (a dermatomycosis), that may affect skin, hair, and nails. Typically it results in a red, itchy, scaly, circular rash. Hair loss may occur in the area aff ...
* –
tinea versicolor Tinea versicolor (also pityriasis versicolor) is a condition characterized by a skin eruption on the trunk and proximal extremities. The majority of tinea versicolor is caused by the fungus '' Malassezia globosa'', although '' Malassezia furfur' ...


–

eye infections, fungal An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system. In higher organisms, the eye ...

* – uveitis, suppurative * –
endophthalmitis Endophthalmitis, or endophthalmia, is inflammation of the interior cavity of the eye, usually caused by an infection. It is a possible complication of all intraocular surgeries, particularly cataract surgery, and can result in loss of vision or l ...
* –
panophthalmitis Panophthalmitis is the inflammation of all coats of the animal eye including intraocular structures. It can be caused by infection, particularly from ''Pseudomonas'' species, such as ''Pseudomonas aeruginosa'', ''Clostridium'' species, Whipple's ...


–

fungemia Fungemia is the presence of fungi or yeast in the blood. The most common type, also known as candidemia, candedemia, or systemic candidiasis, is caused by '' Candida'' species. Candidemia is also among the most common bloodstream infections o ...


– geotrichosis


–

histoplasmosis Histoplasmosis is a fungal infection caused by ''Histoplasma capsulatum''. Symptoms of this infection vary greatly, but the disease affects primarily the lungs. Occasionally, other organs are affected; called disseminated histoplasmosis, it can ...


– lung diseases, fungal

* – aspergillosis, allergic bronchopulmonary * – pneumonia, pneumocystis


–

microsporidiosis Microsporidiosis is an opportunistic intestinal infection that causes diarrhea and wasting in immunocompromised individuals (HIV, for example). It results from different species of microsporidia, a group of microbial (unicellular) fungi. In HIV-i ...

* – encephalitozoonosis


–

paracoccidioidomycosis Paracoccidioidomycosis (PCM), also known as South American blastomycosis, is a fungal infection that can occur as a mouth and skin type, lymphangitic type, multi-organ involvement type (particularly lungs), or mixed type. If there are mouth ulcer ...


–

piedra Piedra is a hair disease caused by a fungus, which causes formation of nodules on the hair shaft.Veasey JV, Avila RB, Miguel BAF, Muramatu LH. White piedra, black piedra, tinea versicolor, and tinea nigra: contribution to the diagnosis of superfic ...


– Pneumocystis Infections

* – pneumonia, pneumocystis


– rhinosporidiosis


–

zygomycosis Zygomycosis is the broadest term to refer to infections caused by ''bread mold fungi'' of the zygomycota phylum. However, because zygomycota has been identified as polyphyletic, and is not included in modern fungal classification systems, the dise ...

* –
mucormycosis Mucormycosis, also known as black fungus, is a severe fungal infection that comes under fulminant fungal sinusitis, usually in people who are immunocompromised. It is curable only when diagnosed early. Symptoms depend on where in the body the ...


–

zoonoses A zoonosis (; plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a virus, bacterium, parasite, fungi, or prion) that can jump from a non-human vertebrate to a human. When h ...

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List of MeSH codes (C02) The following is a partial list of the "C" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM). This list continues the information at List of MeSH codes (C01). Codes following these are ...
. {{MeSH codes C01