Tolazoline is a non-selective

competitive Competition is a rivalry where two or more parties strive for a common goal which cannot be shared: where one's gain is the other's loss (an example of which is a zero-sum game). Competition can arise between entities such as organisms, indi ...

α-adrenergic receptor antagonist. It is a

vasodilator Vasodilation, also known as vasorelaxation, is the widening of blood vessels. It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins, large arteries, and smaller arterioles. Blood vessel wal ...

that is used to treat spasms of peripheral blood vessels (as in acrocyanosis). It has also been used (in conjunction with sodium nitroprusside) successfully as an antidote to reverse the severe

peripheral vasoconstriction Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles. The process is the opposite of vasodilation, the widening of blood vesse ...

which can occur as a result of

overdose A drug overdose (overdose or OD) is the ingestion or application of a drug or other substance in quantities much greater than are recommended. Retrieved on September 20, 2014.

with certain 5-HT_2A receptor

agonist An agonist is a chemical that activates a Receptor (biochemistry), receptor to produce a biological response. Receptors are Cell (biology), cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an R ...

drugs such as

25I-NBOMe 25I-NBOMe, also known as 2C-I-NBOMe, Cimbi-5, and shortened to "25I", is a psychedelic drug of the phenethylamine, 2C, and NBOMe (25-NB) families. Since 2010, it has circulated in the recreational drug scene, often misrepresented as LSD. It is ...

DOB DOB or Dob often refers to date of birth. DOB or Dob may also refer to: Biochemistry * 2,5-dimethoxy-4-bromoamphetamine, Bromo-DMA, a psychedelic drug ** Meta-DOB, related substance ** Methyl-DOB, related substance * HLA-DOB, human gene Organiz ...

, and

Bromodragonfly Bromo-DragonFLY, also known as 3C-Bromo-Dragonfly or DOB-Dragonfly, psychedelic drug of the phenethylamine, DOx, and FLY families. It acts as a potent full agonist of the 5-HT2A receptor. Use Data on toxicological significance and dosage o ...

. It is however most commonly used in

veterinary medicine Veterinary medicine is the branch of medicine that deals with the prevention, management, medical diagnosis, diagnosis, and treatment of disease, disorder, and injury in non-human animals. The scope of veterinary medicine is wide, covering all a ...

, to reverse

xylazine Xylazine is a structural analog of clonidine and an α2-adrenergic receptor, α2-adrenergic receptor agonist, sold under many trade names worldwide, most notably the Bayer brand name Rompun, as well as Anased, Sedazine and Chanazine. Xylazine ...

-induced

sedation Sedation is the reduction of irritability or agitation by administration of sedative drugs, generally to facilitate a medical procedure or diagnostic procedure. Examples of drugs which can be used for sedation include isoflurane, diethyl ether, ...

References

{{Adrenergic receptor modulators Alpha-1 blockers Alpha-2 blockers Disulfiram-like drugs Imidazolines Vasodilators Veterinary drugs