Cholinergic drugs Flashcards
Nicotine type and Rx
type: nicotinic agonist (Nn)
Rx: smoking cessation
Succinylcholine type and Rx
Nicotinic receptor agonist
rx: muscle relaxant during endotracheal intubation (Nm)
Methacholine type and Rx
direct acting muscarinic agonist (quat N)
Rx: diagnosis of asthma
Methacholine tox and contrainidcation
toxicity: Bronchiole constriction
contraindication: b blockade
Carbachol type and Rx
type: direct acting muscarinic agonist (quat N)
Rx: miotic agent for ocular surgery/ glaucoma
Carbachol toxicity
excessive muscarinic activation (bronchoconstriction, reduced cardiac conduction)
Bethanechol type and Rx
type: direct acting muscarinic agonist (quat N)
Rx: post op urinary retention and neuro bladder atony
Bethanechol Tox and Contraindications
tox: bradycardia, bronchoconstriction
Contraindications: asthma, peptic ulcer, bradycardia
Pilocarpine Type and Rx
Direct actin muscarinic agonist
Rx: dry mouth and neck (radiotherapy or Sjorgens, open and closed angle glaucoma
Pilocarpine tox
Excess muscarinic activation (slow Av cond), hypotension, excessive salivation, bronchoconstriction
Neostigmine type and Rx
reversible AchE inhibitor (Nm)
rx: myasthenia gravis
Neostigmine tox and contraindications
muscarinic/ nicotinic excess
contrainindication: intestinal obstructions
Edrophonium type and Rx
type: reversible AchE inhibitor (Nm)
Rx: myasthenia gravis
Edrophonium Tox and contraindications
tox: bradycardia/ standstill
contraindications: intestinal/ urinary blockade
Physostigmine type and Rx
reversible AchE inhibitor (crosses BBB)
Rx: antidote for muscarinic antagonist poisoning