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Table 3 List of Oral Antifungal Therapies, Their Dosages, and Their Possible Side Effects

From: Dermatology for the practicing allergist: Tinea pedis and its complications

DRUG DOSE SIDE EFFECTS
1. Griseofulvin* 375–500 mg qd 3–6 months Nausea, Hepatotoxic, Photosensitivity, Headache, Leukopenia+, Neutropenia+
2. Azoles   
A. Ketoconazole** 200–400 mg qd 6–8 weeks Hepatotoxic, Hepatitis Idiosyncratic rxn, Nausea, Vomiting, Diarrhea
B. Itraconazole 100 mg qd 2–4 weeks Abdominal pain, Increased transaminases
  400 mg qd 1 week  
C. Fluconazole 50 mg qd 6 weeks Hepatotoxic+, Anaphylaxis
  100 mg qd 8 weeks  
  150 mg q week 6 weeks  
3. Allylamines   
A. Terbinafine 125 mg qd 8 weeks Headache, Rash, Cholestatic hepatitis, Blood dyscrasia Steven-Johnson Syndrome
  250 mg qd 2–6 weeks  
  1. * Contraindicated in pregnancy ** Contraindicated in nursing women, + Rare side effect