Clinical recommendation	Evidence rating	References
Direct visualization of hyphae with potassium hydroxide microscopy is the mainstay for the office-based diagnosis of tinea.	C	1, 2, 4, 5
Griseofulvin (Grifulvin) and terbinafine (Lamisil; approved by the U.S. Food and Drug Administration for use in children two years and older) are effective therapies in the treatment of tinea capitis.	B	8–12
Topical fungicidal allylamines such as terbinafine and butenafine (Mentax) are usually sufficient to treat tinea corporis, tinea cruris, and tinea pedis and are superior to the older fungistatic azoles clotrimazole (Lotrimin AF) and miconazole (Micatin).	A	17, 18
Oral and topical treatment regimens for tinea unguium have low sustained clinical success rates.	B	24–26