FOR THE TREATMENT OF INTESTINAL OR OESOPHAGEAL CANDIDIASIS, NYSTATIN IS GIVEN IN DOSES OF 500 000 OR 1 000 000 UNITS BY MOUTH, AS A TABLET OR CAPSULE, 3 OR 4 TIMES DAILY. IN INFANTS AND CHILDREN A DOSAGE OF 100 000 UNITS OR MORE MAY BE GIVEN 4 TIMES DAILY, AS AN ORAL SUSPENSION.
FOR THE TREATMENT OF LESIONS OF THE MOUTH, PASTILLES OR A SUSPENSION MAY BE GIVEN IN A DOSAGE OF 100 000 UNITS 4 TIMES DAILY. HIGHER DOSES OF, FOR EXAMPLE, 500 000 UNITS 4 TIMES DAILY, MAY BE NEEDED IN IMMUNOCOMPROMISED PATIENTS .THE FORMULATION SHOULD BE KEPT IN CONTACT WITH THE AFFECTED AREA FOR AS LONG AS POSSIBLE, AND PATIENTS SHOULD AVOID TAKING FOOD OR DRINK FOR ONE HOUR AFTER A DOSE. IN THE USA, DOSES OF 400 000 TO 600 000 UNITS 4 TIMES DAILY OF THE SUSPENSION, OR 200 000 TO 400 000 UNITS 4 OR 5 TIMES DAILY AS LOZENGES, ARE USED.
FOR PROPHYLAXIS OF INTESTINAL CANDIDIASIS IN PATIENTS RECEIVING BROAD-SPECTRUM ANTIBACTERIALS, TABLETS TO A TOTAL DOSE OF 1 000 000 UNITS DAILY MAY BE GIVEN. A PROPHYLACTIC DOSE FOR INFANTS BORN TO MOTHERS WITH VAGINAL CANDIDIASIS IS 100 000 UNITS DAILY OF THE ORAL SUSPENSION.
FOR THE TREATMENT OF VAGINAL INFECTIONS, NYSTATIN IS GIVEN IN A DOSAGE OF 100 000 TO 200 000 UNITS DAILY FOR 14 DAYS OR LONGER AS PESSARIES OR VAGINAL CREAM. FOR CUTANEOUS LESIONS, OINTMENT, GEL, CREAM, OR DUSTING POWDER CONTAINING 100 000 UNITS/G MAY BE APPLIED 2 TO 4 TIMES DAILY.