[3] Common side effects include nausea, diarrhea, frequent urination, and abdominal pain.

[3] More severe side effects include low blood pressure, weakness, and allergic reactions.

[3][6] Pyridostigmine is used to treat muscle weakness in people with myasthenia gravis or forms of congenital myasthenic syndrome and to combat the effects of curariform drug toxicity.

[11][12] Pyridostigmine bromide is contraindicated in cases of mechanical intestinal or urinary obstruction and should be used with caution in patients with bronchial asthma.

Pyridostigmine bromide is available under the trade name Mestinon (Valeant Pharmaceuticals), Regonol and Gravitor (SUN Pharma).