MedicinePOMEssential

Pyridostigmine

A medicine that improves muscle strength in myasthenia gravis.

Clinical information

Common uses

myasthenia gravis

Common side effects

feeling sick, vomiting and diarrhoea
stomach cramps and increased saliva
muscle cramps and twitching
sweating
occasional skin rash

Cautions

overdose can cause cholinergic crisis with dangerous muscle weakness
not with bowel or urinary blockage
particular caution in asthma

Interactions

atropine — can mask signs of overdose

Pregnancy: only if prescribed — safety not established

Reference information, not medical advice — always follow your doctor or pharmacist. Source: DailyMed, dailymed.nlm.nih.gov, pyridostigmine bromide label, setid 56999559-274e-44ea-a317-29366fdca908 (accessed 2026-08-16)

Approved brands & formulations3

Brand name	Dosage form	Strength	Importer	Category
Pyridostigmine	Tablet	180mg	—	POM
Pyridostigmine	Parenteral ( Injection )	1mg/ml	MFDA designated importers with Pre Authorization approval before import	hospital
Pyridostigmine	Tablet	60mg	—	POM