Will use of ketoconazole leave side effect skin crack i applied lamisil (terbinafine) and ketoconazole for tinea pedis 2 weeks. foot (not toes) skin still cracks?

See your doctor:: If it's not athlete's foot, a correct diagnosis is key to taking care of the cracked, dry skin on your feet with the appropriate treatment. Cracked, dry skin can be caused by various conditions, such as general dry skin, allergic reactions, eczema, and other forms of dermatitis or even a bacterial infection.

Foot cracks: Some strains of fungus may not respond to those drugs.

Not usually: If you are getting dry cracked skin try using topical foot miracle cream. It is a non-prescription.