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Nystatin

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Pronounced

"NYE-stat-in"

Common brand names:

Nilstat

Uses

This medication is used to treat fungal infections in the stomach or intestines. Nystatin is an antifungal that works by stopping the growth of fungus.

Nystatin tablets should not be used to treat fungal infections of the blood.

How to Use This Medication

Take this medication by mouth with or without food as directed by your doctor, usually 3 times a day. It may take from several days to several months to complete treatment. Use this medication regularly in order to get the most benefit from it. Remember to use it at the same times each day. The dosage is based on your medical condition and response to treatment.

Continue to take this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may allow the infection to continue, resulting in a return of the infection.

Tell your doctor if your condition lasts after several days of treatment or gets worse at any time.

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This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.