Drug Description

Mestinon is an acetylcholinesterase inhibitor used for the treatment of myasthenia gravis, and is commonly known as pyridostigmine. It is available in syrup and pills. The medicine is known under different trade names worldwide. The main ingredient of the syrup is pyridostigmine bromide (60 mg in each pill). The other inactive components of syrup are: lactate, glycerin, sodium benzoate, sucrose, sorbitol and alcohol. The pill of Mestinon consist of stearic acid, silicon dioxide and lactose.


The main purpose of Mestinon is the treatment of muscle fatigue caused by myasthenia gravis. Moreover, this pill is used for the treatment of orthostatic hypertension.
The medical experts state that Mestinon is very efficient in the treatment of chronic axonal polyneuropathy. Moreover, it can be used for the treatment of postural tachycardia and to prevent the symptoms of Ehlers-Danlos Syndrome. This drug is able to strengthen the weakened muscles.


Mestinon must be swallowed whole only with water, as taking it with milk may cause indigestion. The liquid form of this drug must be carefully measured with a special spoon.
The medicine can have positive effects only if it’s taken according to the doctor’s prescriptions.
Patients who are going to undergo an operation during the treatment with Mestinon must inform the doctor beforehand, as in this case the drug must be withdrawn for some time.

Adverse Effects

The serious adverse effects of Mestinon are weakened muscles, breathing difficulty, vision impairment, stomachache, loose bowels, sickness and vomiting. The other common adverse include seizures, muscle cramps, increased salivation, perspiration, skin rash and vision impairment. Depending on the patient’s health condition, the adverse effects may be different. Immediately inform your doctor after any unusual adverse effects.

Drug interactions

Mestinon can interact with different vitamins, herbal supplements, prescription and non-prescription drugs. It is essential to inform the doctor about any medicines you’re currently taking to prevent drug interaction