Medically reviewed by Drugs.com. Last updated on Apr 21, 2023.
The onset of action of Prostigmin given orally is slower than when given parenterally, but the duration of action is longer and the intensity of action more uniform. Dosage requirements for optimal results vary from 15 mg to 375 mg per day. In some instances it may be necessary to exceed these dosages, but the possibility of cholinergic crisis must be recognized. The average dose is 10 tablets (150 mg) administered over a 24-hour period. The interval between doses is of paramount importance. The dosage schedule should be adjusted for each patient and changed as the need arises. Frequently, therapy is required day and night. Larger portions of the total daily dose may be given at times when the patient is more prone to fatigue (afternoon, mealtimes, etc.). The patient should be encouraged to keep a daily record of his or her condition to assist the physician in determining an optimal therapeutic regimen.
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- Drug class: cholinergic muscle stimulants
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