PHARM Flashcards
(540 cards)
Acetylcholine
Direct Acting Cholinergic Agonist
Choline Ester
Rapidly Hydrolized
Rapid miosis after cataract surgery
Cromolyn
Autacoid
Mast stabilizer
Reduces immunologic degranulation of mast cells
Nedocromil
Autacoid
Mast stabilizer
Reduces immunologic degranulation of mast cells
Bethanechol Receptor
Muscarinic Only
Direct Cholinergic Action
Bethanechol Structure
Ester of choline, not hydrolized by AChE, inactivated by other esterases
Bethanecol Uses
GI-Post-op distension, atony, retention, ileus, megacolon, refulx
Neurogenic Atonic Bladder
Xerostomia
Bethanecol Adverse Effects
Exaggeration of PSNS (DUBMBELLS)
Carbachol Receptor
Muscarinic, Nicotinic
Direct Cholinergic Action
Carbachol Structure
Ester of choline, pore substrate for AChE, slow biotransformation
Carbachol Effects
Miosis
Carbachol Use
Glaucoma-reduces intraocular pressure
Miosis during surgery or post-op
Carbachol AE
External only: high potency and long duration
Methacholine Receptor
Muscarinic mostly, some nicotinic
Direct Cholinergic Action
Methacholine Structure
Ester of Choline, slow hydrolysis by AChE
Methacholine Use
Diagnose asthma by bronchial agitation (not commonly used)
Pilopcarpine Receptor
Partial Muscarinic
Direct Cholinergic Action
Pilocarpine Structure
Natrual Alkaloid-Tertiary Amine, stable to hydrolysis by AChE
Pilocarpine Effects
Sweat, salivary, lacrimal, and bronchial gland secretions.
Contracts Iris
Pilocarpine Uses
DOC for acute angle glaucoma
2nd choice for open angle (timolol is DOC)
Xerostima/Sjorgen’s Syndrome
Pilocarpine AE
CNS Disturbances
Sweating, salivation
Nicotine Receptor
Nn, some Nm
Direct Cholinergic Action
Nicotine Structure
Natural Alkaloid-Tertiary amine
Nicotine MOA, Low dose
ganglion stimulation by depolarization (SNS and PSNS)
Nicotine MOA, High dose
Ganglion and neuromuscular blockade