The purpose of this study is to evaluate the efficacy and safety of NAFT-600, applied once daily for 2 weeks, when compared to placebo for 2 weeks in the treatment of subjects with tinea pedis.

Inclusion Criteria:

• Males or non-pregnant females, ≥12 years of age, of any race or sex. Females of child-bearing potential must have a negative urine pregnancy test.
• Presence of interdigital only or both interdigital and moccasin types of tinea pedis on one or both feet characterized by clinical evidence of a tinea infection (at least moderate erythema, moderate scaling and mild pruritus) based on signs and symptoms in the affected area(s)).

Exclusion Criteria:

• Subjects with life-threatening condition (ex. autoimmune deficiency syndrome, cancer,unstable angina or myocardial infarction) within the last 6 months.
• Subjects with abnormal findings - physical or laboratory - that are considered by the investigator to be clinically important and indicative of conditions that might complicate interpretation of study results.
• Subjects with a known hypersensitivity to study drugs or their components.
• Subjects who have a recent history or who are currently known to abuse alcohol or drugs.
• Uncontrolled diabetes mellitus.
• Hemodialysis or chronic ambulatory peritoneal dialysis therapy.
• Current diagnosis of immunocompromising conditions.
• Foot psoriasis, corns and/or callus involving any web spaces, atopic or contact dermatitis.
• Severe dermatophytoses, onychomycosis (on the evaluated foot), mucocutaneous candidiasis or bacterial skin infection.
• Extremely severe tinea pedis (incapacitating).
• Female subject who is pregnant or lactating, who is not using or does not agree to use an acceptable form of contraception during the study, or who intends to become pregnant during the study