Clofedanol (

INN Inns are generally establishments or buildings where travelers can seek lodging, and usually, food and drink. Inns are typically located in the country or along a highway; before the advent of motorized transportation they also provided accommo ...

) or chlophedianol (

BAN Ban, or BAN, may refer to: Law * Ban (law), a decree that prohibits something, sometimes a form of censorship, being denied from entering or using the place/item ** Imperial ban (''Reichsacht''), a form of outlawry in the medieval Holy Roman ...

) is a centrally acting

cough suppressant Cold medicines are a group of medications taken individually or in combination as a treatment for the symptoms of the common cold and similar conditions of the upper respiratory tract. The term encompasses a broad array of drugs, includin ...

used in the treatment of dry cough. Clofedanol has

local anesthetic A local anesthetic (LA) is a medication that causes absence of pain sensation. In the context of surgery, a local anesthetic creates an absence of pain in a specific location of the body without a loss of consciousness, as opposed to a general an ...

antispasmodic An antispasmodic (synonym: spasmolytic) is a pharmaceutical drug or other agent that suppresses muscle spasms. Smooth muscle spasm One type of antispasmodics is used for smooth muscle relaxation, especially in tubular organs of the gastrointestin ...

, and

antihistamine Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provide ...

properties, and may have

anticholinergic Anticholinergics (anticholinergic agents) are substances that block the action of the neurotransmitter called acetylcholine (ACh) at synapses in the central and peripheral nervous system. These agents inhibit the parasympathetic nervous syste ...

effects at high doses.

Side effects

Adverse effects may include irritability, drowsiness, nightmares, vertigo, nausea or vomiting, visual disturbances or hallucinations, and

urticaria Hives, also known as urticaria, is a kind of skin rash with red, raised, itchy bumps. Hives may burn or sting. The patches of rash may appear on different body parts, with variable duration from minutes to days, and does not leave any long-lasti ...

. There are potential interactions with other anticholinergics, CNS depressants, and alcohol.

Pharmacology

Unlike many other antitussive drugs such as

dextromethorphan Dextromethorphan (DXM) is a medication most often used as a cough suppressant in over-the-counter cold and cough medicines. It is sold in syrup, tablet, spray, and lozenge forms. In 2022, the FDA approved a formulation of it combined with bu ...

, it binds poorly to the

sigma-1 receptor The sigma-1 receptor (σ1R), one of two sigma receptor subtypes, is a chaperone protein at the endoplasmic reticulum (ER) that modulates calcium signaling through the IP3 receptor. In humans, the σ1 receptor is encoded by the ''SIGMAR1'' gene ...

Society and culture

Chlophedianol was approved for OTC status in 1987 by the FDA OTC monograph process and its safety and efficacy data are limited. It was formerly sold over-the-counter in the United States under the trade name Ulo, as a syrup with a dosage of 25 mg/5 mL; however, it has been withdrawn from the market. It is marketed in

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...

under the trade name Ulone. GM Pharmaceuticals owns the patents to 113 combinations with Chlophedianol and was the first company to launch the cough suppressant in the United States. It is sold in Japan as an over-the-counter drug under the name Coldrin. It has been marketed in Germany as Pectolitan and in Spain as Gentos.

References

Antitussives H1 receptor antagonists Chloroarenes Tertiary alcohols Dimethylamino compounds {{respiratory-system-drug-stub

Side effects

Pharmacology

Society and culture

See also

References