Please consult your physician before taking any medication. Generic Name: NYSTATIN TABLET - ORAL Pronounced: (NYE-stat-in) Mycostatin Oral Uses: This medication is used to treat fungal infections of various organ systems of the body. 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. Mycostatin may also be used for purposes other than those listed in this medication guide.