Mestinon is used to treat sluggish bowels, constipation related to sluggish bowels, and myasthenia gravis.
For sluggish bowels or constipation after surgery: Adults and elderly usually take 60–240 mg daily, divided into doses (e.g., every four hours). Children and adolescents take 15–60 mg daily, divided into doses. For myasthenia gravis: 30–180 mg, 2–4 times daily.
Take the tablets with water (1/2–1 glass).
The daily dose is usually 120–1200 mg for myasthenia gravis, but your doctor may prescribe higher doses if needed.