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Cholinomimetics Cheat Sheet by

Pharmacology cheat sheet all in one page

Drugs

Direct M-chol­ino­ceptors
Piloca­rpine
Direct N-chol­ino­ceptors
Cytitone (Nicotine)
Both
Carbachol (acety­lch­oline)

Subtypes

Direct cholin­oce­ptors
Binds to + activates muscar­ini­c/n­ico­tinic receptors
Indirect cholin­oce­ptors
Inhibits the action of acetyl­cho­lin­est­erase
Muscarinic (M) cholin­ergic drugs
Produced at postga­ngl­ionic nerve endings
Nicotinic (N) cholin­ergic drugs
Produced by stimulants of all autonomic ganglia

MOA

M-chol­ino­ceptors
Stimulate M-chol­ino­ceptors in the exocrine glands and autonomic ganglia
N-chol­ino­ceptors
Stimulates N-chol­ino­ceptors in arch of aorta + the respir­atory centre.

Indica­tions

Cholin­omi­metics
Bradyc­ardia
Vasodi­lator
Decrease blood pressure
Glaucoma
 

Typical side effects

Cholin­ergic drugs
Bone marrow suppre­ssion
dry mouth
Fever

Pharma­col­ogical effects

M-chol­ino­mim­etics
Miosis + decrease intrao­cular pressure + spasm of the accomm­odation

Antich­oli­nes­terases

Drugs
AntiNi­cot­inics - ganglion blockers
AntiMu­sca­ranics - tertiary amines (atropine, scopol­amine) and quaternary amines (iprat­ropium, benztr­opine)
MOA
Inhibition of cholin­est­erase enzyme which inhibits the breakdown of Ach
Side effects
mydriasis, sweating, bradyc­ardia, diarrhea
Contra­ind­ication
Bronchial asthma

Contra­ind­ica­tions

Cholin­ergic drugs
Bronchial asthma
Urinary obstru­ction

End

 
 

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  • Published: 22nd August, 2023
  • Last Updated: 23rd August, 2023

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