Chemical Structure:
C9H13N3O2
Mechanism of Action:
Pyridostigmine is also a quaternary ammonium compound. It inhibits acetylcholinesterase at the neuromuscular junction, increasing the concentration of acetylcholine and thereby enhancing neuromuscular transmission.
Uses:
It is primarily used to treat myasthenia gravis and has been used as a prophylactic agent against nerve agents in chemical warfare.
Side Effects:
Side effects include nausea, diarrhea, abdominal cramps, increased salivation and sweating, and muscle twitching. Overdose can lead to a cholinergic crisis.