ExoticRx · exoticrx.com/drugs/n-butylscopolammonium-bromide
US brand names:Buscopan, Buscopan Compositum, Hyoscine
Also known as: Hyoscine Butylbromide, Butylscopolamine, Buscopan
Quaternary ammonium anticholinergic that blocks muscarinic receptors on GI smooth muscle, reducing spasm and motility. Does not cross the blood-brain barrier, limiting central side effects.
Tachycardia is common and expected. Transient ileus possible. Contraindicated in mechanical GI obstruction. Used primarily in horses for colic. Monitor heart rate during administration.
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