Cholinergic drugs classification

1) Directly Acting

a) Choline esters

Acetylcholine

Bethanechol

Carbachol

Methacholine

b) Natural Alkaloids

Nicotine

Pilocarpine

Muscarine

Arecoline

2) Indirectly Acting (Cholineesterase inhibitors)

a) Reversible

i) Carbamates

Neostigmine

Physostigmine

Edrophonium 

Pyridostigmine

Ambenonium

Rivastigmine

Galantamine

Donepezil

Rivastigmine

ii) Acridine

Tacrine

b) Irreversible

i) Carbamates

Propoxur

ii) Organophosphates

Echothiophate

Malathion

Dyflos (DFP)

Diazinon

Tabun

Sarin

Soman

3) Cholineesterase reactivators

Pralidoxime

Obidoxime