cholinomimetics Flashcards Preview

pharmacology > cholinomimetics > Flashcards

Flashcards in cholinomimetics Deck (9)
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1
Q

bethanechol

A

ester, IM, oral, used for ileus (neurogenic and postop), urinary retention.
Muscurinic.

2
Q

methacholine

A

ester, Muscurinic, used IM and oral, used for diagnosis of bronchial hypersensitivity.

3
Q

pilocarpine

A

alkaloid, used for glucoma and xerostomia and sweat test (oral and IM), muscurinic.

4
Q

Varenicline

A

new nicotinic agonist, with partial agonist properties, used for persons addicted to nicotine.

5
Q

physostigmine (indirect cholinomimetic)

A

Tert amine, permeable to CNS used for glucoma and atropine overdose.

6
Q

neostigmine and pyridostigmine (indirect cholinomimetic)

A

Quat amine, not permeable to CNS, used for ileus, urinary retention, mysthenia gravis and reversal of non-depolarizing NM blockers (such as curare)

7
Q

donepezil (indirect cholinomimetic), carbamete,

A

lipid soluble (CNS entry), used for alzheimer disease.
competitive inhibitor.
other alzheimer drugs are: rivastigimine, galantamine, tacrine (obselete)

8
Q

edrophonium (indirect cholinomimetic), alcohol

A

Dx of myasthenia; used to differentiate between myasthenia and cholinigeric crisis.
competitive inhibitor
used IV

9
Q

organophosphates

A

echothiophate (used for glucoma),
insecticides: malathion and parathion (prodrugs), converted to malaoxonand paraoxon
lipid soluble