<unk>  is an antidote, cholinergic cholinesterase inhibitor and autonomic central nervous system agent that is FDA approved for the treatment of the reversal of the effects of non-depolarizing neuromuscular blocking agents after surgery.   Common adverse reactions include hypotension, nausea and vomiting.
Neostigmine
Physostigmine
Pyridostigmine
Suxamethonium chloride
Pyridostigmine Bromide
Thiocarboxime
Atropine 
Mecamylamine