Itraconazole (Sporanox)
- Indications: onychomycosis, Tinea pedis
- Active against Dermatophytes, and Candida
-
100mg PO bid x 12 weeks for fungal toenails
- 6 weeks therapy for fungal finger nails
- “Pulse therapy”: 200mg PO bid for 1 week of the month x 3 months
- Do not use in pts with CHF
- Possible hepatotoxicity, get hepatic function labs pre-treatment and again at 1 month
Ketoconazole (Nizoral)
- Indications: dermatophytes, Candida, some G+, and has some antiviral properties
- 200-400mg PO qd
- Can cause hepatotoxicity
Terbinafine (Lamisil)
- Indications: Onychomycosis
- 250 mg qd x 3 months
- Pulse: 250 mg qd x 7d for 2 months
- Inhibits CYP 450 2D6
Fluconazole (Diflucan)
Griseofulvin (Gris-PEG)
- Write “Gris-PEG (DAW)”
- Indications: dermatophytes (Chronic Tinea pedis)
- 250 mg tid (4-8 weeks) for onychomycosis
-
Drug interactions:
- Oral contraceptives
- Barbituates