Merck Manual

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Dosages of Antifungal Medications

Dosages of Antifungal Medications

Drug

Dosage

Griseofulvin

Microsize

25–60 mg/kg, PO, bid

Ultramicrosize

2.5–15 mg/kg, PO, bid

Ketoconazole

10 mg/kg/day, PO; 20 mg/kg, PO, every 48 hr

Itraconazole

5–10 mg/kg/day, PO

Fluconazole

10–20 mg/kg, PO, bid

Amphotericin B

Dogs: 0.25–0.75 mg/kg, IV, 3 times/wk to total cumulative dose of 4–8 mg/kg or until azotemia develops

Cats: 0.1–0.25 mg/kg, IV, 3 times/wk to cumulative dose of 4–6 mg/kg

Flucytosine

25–50 mg/kg, PO, tid-qid

Terbinafine

10–30 mg/kg/day, PO

Potassium iodine

Dogs: 40 mg/kg, PO, once or twice daily with food

Cats: 20 mg/kg, PO, once or twice daily with food