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Pyridostigmine (Mestinon)

Also known as Mestinon and Regonol


Pyridostigmine is a parasympathomimetic and a reversible cholinesterase inhibitor. Since it is a quaternary amine, it is poorly absorbed in the gut and does not cross the blood–brain barrier, except possibly in stressful conditions.

Source: Wikipedia

Estimated Total Cost: $63.13 for an average of 28 days supply

What is it prescribed for?

Patients are most commonly prescribed pyridostigmine to treat myasthenia gravis, double vision, problems with movement, and carpal tunnel syndrome.

What drug interactions are known?

Do not take pyridostigmine if you are taking any of the following:

Critical Interactions


Significant Interactions

What side effects are related?

Patients taking pyridostigmine most commonly experience side effects like diarrhea, abdominal pain, and painful menstruation.

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