Onychomycosis is a fungal infection of the nail unit which affects one third of people with diabetes.1,2 Risk factors for onychomycosis in diabetes include age, male sex, poor glycemic control, longer duration of diabetes, use of immunosuppressive agents, and poor peripheral circulation.2-5 Etiology of onychomycosis varies across populations, but the most common causes in diabetic patients are yeasts and dermatophytes. In particular, Candida spp. (31-48.1%) are the most common yeasts, while Rhodotorula spp. (21.7%) have been reported as well.4,6-8 Trichophyton rubrum (31.7-46%) is the most common dermatophyte observed, while nondermatophytic molds are less common.