Autonomic Nervous System Drugs Flashcards
Name the mechanism of action and clinical applications…
botulinum toxin
cleaves SNARE proteins to keep vesicles containing ACh from fusing with the PM and going into the cleft
causes muscle spasms, smoothens wrinkles, reduces excessive sweating
Name the mechanism of action and clinical applications…
edrophonium
short-acting inhibitor of acetylcholinesterase
used to reverse a neuromuscular block by nondepolarizing drugs; aids in diagnosis of myasthenia gravis
Name the mechanism of action and clinical applications…
pyridostigmine
quaternary ammonium carbamate ester acetylcholinesterase inhibitor
treats myasthenia gravis
Name the mechanism of action and clinical applications…
acetylcholine
cholinergic agonist (muscarinic and nicotinic)
used for cataract and other eye surgeries
Name the mechanism of action and clinical applications…
tubocurarine chloride (d-tubocucarine)
competitive antagonist at skeletal muscle nicotinic receptors
neuromuscular relaxation
Name the mechanism of action and clinical applications…
succinylcholine
partial nicotinic agonist; depolarizing neuromuscular blocker
neuromuscular relaxation
Name the mechanism of action and clinical applications…
cevimeline
M3 muscarinic agonist
treats Sjogren’s syndrome
Name the mechanism of action and clinical applications…
methacholine
non-selective muscarinic agonist
used for Dx of airway hyperreactivity
Name the mechanism of action and clinical applications…
atropine
non-selective muscarinic antagonist
Mydriatic (dilates pupils), cycloplegic (paralyzes the ciliary muscle); reversal of vagal bradycardia; antitode for cholinesterase inhibitor toxicity
Name the mechanism of action and clinical applications…
darifenacin
M3 muscarinic antagonist
treats incontinence or overactive bladder
Name the mechanism of action and clinical applications…
ephedrine
mixed-acting sympathomimetic (causes NE release from terminals and is an adrenergic receptor agonist)
treats hypotension, bronchospasm, nasal decongestant
Name the mechanism of action and clinical applications…
methyldopa (alpha-methyldopa)
converted to methylnorepinephrine in the CNS, which acts like an alpha-2 agonist
treats hypertension
Name the mechanism of action and clinical applications…
albuterol
beta-2 agonist
treats acute bronchospasm
Name the mechanism of action and clinical applications…
clonidine
CNS alpha-2 agonist, resulting in decreased sympathetic outflow
treats hypertension
Name the mechanism of action and clinical applications…
dobutamine
beta-1 agonist
increases cardiac output for heart failure patients
Name the mechanism of action and clinical applications…
dopamine
dopamine agonist
helps patients with shock, especially with renal shutdown; sometimes used in heart failure
Name the mechanism of action and clinical applications…
epinephrine
adrenergic agonist
treats anaphylaxis and is an emergency treatment for cardiac arrest
Name the mechanism of action and clinical applications…
isoproterenol
non-selective beta-adrenergic agonist
treats asthma and is an emergency treatment for cardiac arrest
Name the mechanism of action and clinical applications…
midodrine
alpha-1 agonist
treats chronic orthostatic hypotension
Name the mechanism of action and clinical applications…
phenylephrine
alpha-adrenergic agonist
decongestant, mydriatic (dilates pupils), treats neurogenic/orthostatic hypotension, tests the baroreflex