7. Cholinomimetics Flashcards
Direct acting
Choline esters
Alkaloids
SYNTHETIC COMPOUNDS (Muscarinic)
SYNTHETIC COMPOUNDS (Nicotinic)
INDIRECT ACTING
Cholinesterase inhibitors
Alcohols
Carbamates
Organophosphates
Choline esters
acetylcholine (ACh)
Methacholine
Carbachol
Bethanechol
Alkaloids
Muscarine
Pilocarpine
Nicotine
Arecoline
SYNTHETIC COMPOUNDS (Muscarinic)
Cevimeline
SYNTHETIC COMPOUNDS (Nicotinic)
Varenicline
Suxamethonium / Succinylcholine
Alcohols
Reversible, competitive
Edrophonium
Donepezil
Galantamine
Tacrine
Carbamates
Non-competitive
Physostigmine Rivastigmine Neostigmine Pyridostigmine Ambenonium Demecarium
Organophosphates
Echothiophate
War gases (nerve agents)
Insecticides
acetylcholine (ACh)
N / M receptor
Miosis
rapidly inactivated
Methacholine
M receptor Challenge test (asthma)
Carbachol
N / M receptor
Ophthalmology
resistance to hydrolysis
high potency -> rarely used
Bethanechol
M receptor
bladder atony / mega colon
resistance to hydrolysis
Muscarine
Quaternary amine
Pilocarpine
M receptor
Sjogren’s / glaucoma
Tertiary amine
stable to hydrolysis