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Infection with tinea capitis in childhood is a common, age-old problem that continues to plague patients and their families. As is true for most infectious diseases, the epidemiology of tinea capitis is in a constant state of flux and varies considerably with respect to geography and specific patient populations. Trichophyton tonsurans is now the most common cause of tinea capitis in the United States. A recent epidemiologic observation is a striking increase in the incidence of tinea capitis, particularly among African-Americans. Clinical studies over the past decade that have investigated the response of tinea capitis to griseofulvin, the mainstay treatment for this condition, suggest a decrease in sensitivity to this pharmacologic agent, in association with this new epidemiology. Important advances in the diagnosis and treatment of tinea capitis include a renewed interest in the use of the cotton swab method of diagnosing fungal cultures in children, and the ongoing investigation of promising new medications for the treatment of tinea capitis, including terbinafine, itraconazole, and fluconazole in this era of resistant organisms.