Cholinergic Drugs Flashcards
Carbachol MOA
nicotinic and muscarinic agonist
stimulates autonomic ganglia - ACh release
Carbachol Therapeutic Uses
rumen atony and impaction in cattle
impaction colic in horses
glaucoma in dogs
Bethanechol MOA
muscarinic agonist
Bathanechol Therapeutic Use
uriniary retention
Pilocarpine MOA
M3 agonist - constraction of sphincter of iris and ciliary muscle of lens
Pilocarpine Therapeutic Use
glaucoma in dogs
Physostigmine MOA
reversible AChE inhibitor
indirect acting cholinergic agonist
Physostigmine Therapeutic Uses
glaucoma
antidote for atropine toxicity
Physostigmine Adverse Effects
large doses = convulsions
Neostigmine MOA
reversible AChE inhibitor
indirect acting cholinergic agonist
Neostigmine Therapeutic Use
myasthenia gravis
anti-curare
Neostagmine Adverse Effects
toxicity = skelteal muscle weakness
Edrophonium MOA
reversible AChE inhibitor
indirect cholinergic agonist
Edrophonium Therapeutic Use
diagnosis of myasthenia gravis
Edrophonium Adverse Effects
bradycardia
Pyridostigmine MOA
reversible AChE inhibitor
indirect cholinergic agonist
longer acting
Organophosphorus Compounds MOA
irreversible AChE inhibitor
Pyridostigmine Therapeutic Use
managment of myasthenia gravis
Pralidoxime MOA
acts on phosphorylated esteratic site of AChE - reactives AChE