Occasionally, a discrete erythematous plaque may be seen. Differential Diagnosis A variety of diagnostic techniques are available with which to identify superficial fungal infection. Patch testing may be indicated. Nail pitting may give an important clue to the diagnosis. With pustular psoriasis, the typical plaques may be absent.
Topical therapies are usually effective for tinea manuum.
Topical agents available include imidazole preparations, allylamines, and adjunctive agents. Topical creams are typically applied twice daily to the affected areas. Systemic therapy is rarely required for tinea manuum, except in rare disabling cases. Treatment of dermatophytes should include maintenance of a dry environment, as the infection thrives with moisture.