Problem	Remedy
Interdigital tinea pedis	Topical terbinafine (Lamisil AT, $16 for a 30-g tube)2,3
Moccasin tinea pedis	Systemic antifungal therapy
Simple plantar warts	17 percent salicylic acid in flexible collodion (Duofilm, Compound W,4,5 Wart-Off, $9 to $30 per oz) daily for six to 12 weeks. Relieve excess pressure with proper shoe fit and pads, if indicated.
Mosaic plantar warts4	Difficult to cure. Salicylic acid paint is as effective as other treatments.
Corns	Properly fitting shoes Paring and curettage by physician or podiatrist Cushions, toe sleeves ($3 to $5) Lamb's wool padding ($5 per 3/8 oz)
Heel pain	Heel cups6 ($3 to $10 per pair)
Plantar fasciitis	Stretching exercises7–9 Closed-cell foam shoe insert10,11 with arch support is often helpful ($8 to $20 per pair).