Tinea cruris is a dermatophyte infection of the groin and upper thighs. While topical agents are the first choice for many presentations, certain cases — including extensive disease, failed topical treatment, and immunocompromised status — warrant a systemic approach.
This protocol is centered on oral antifungal agents. Agent selection, dosing considerations, and clinical decision points are detailed in the full structured regimen.
Tinea corporis, tinea cruris, and tinea pedis generally respond to inexpensive topical agents such as terbinafine cream or butenafine cream, but oral antifungal agents may be indicated for extensive disease, failed topical treatment, immunocompromised patients, or severe moccasin-type tinea pedis.
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