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AChR Antagonists
Fundamentals II
Question | Answer |
---|---|
Atropine | mAChR Antagonist; reverse muscarine poisoning or AChEI poisoning; long-acting pupil dilation; antidiarrheal |
Scopolamine | like atropine; motion sickness |
Tropicamide | short-acting mAChR antagonist; pupil dilation |
Cyclopentolate | short-acting mAChR antagonist; pupil dilation |
Homatropine | short-acting mAChR antagonist; pupil dilation |
Ipratropium | mAChR antagonist (quart. amine; local action); COPD |
Tiotropium | mAChR antagonist (quart. amine; local action); COPD |
Tolterodine | mAChR antagonist @ bladder; overactive bladder |
Dicyclomine | mAChR antagonist in GI; irritable bowel |
Glycopyrrolate | mAChR antagonist; secretion, sweating, muscarinic overshoot after cholinesterase inhibition |
Benztropine | lipid soluble mAChR antagonist; extrapyramidal effects (in Parkinson's patients) |
Mecamylamine | nAChR antagonist; improve GI absorption; Tourette's Syndrome |
Hexamethonium | nAChR antagonist; Prevents baroreceptor reflex; used in aortic dissection |