Trichophyton tonsurans is an anthropophilic dermatophyte, responsible for infections of the scalp and sometimes of the glabrous skin or nails. Tinea capitis, the most common dermatophytosis in children, is an infection of the scalp and hair shafts. It can be transmitted by poor hygiene and overcrowding, and can occur through contaminated hats, brushes, pillowcases, and other inanimate objects. Tinea corporis typically appears as single or multiple, annular, scaly lesions with central clearing,

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... slightly elevated, reddened edge, and sharp margination (abrupt transition from abnormal to normal skin) on the trunk, extremities, or face. Tinea unguium, a dermatophyte infection of the nail, is a subset of onychomycosis, which also may be caused by yeast and non-dermatophyte molds. Risk factors for this infection include aging, diabetes and poorly fitting shoes. It is characterized by thickened, brittle and discolored nail. Dermatophyte infections can be readily diagnosed based on the history, physical examination, and potassium hydroxide (KOH) microscopy. Diagnosis occasionally requires Wood's lamp examination and fungal culture or histologic examination. Topical therapy is used for most dermatophyte infections. Topical Terbinafine, among all different alternatives,for about a month has all the attribute of being the treatment of decision for tinea corporis, cruris and pedis. I.