Tinea incognito occurs if a topical glucocorticoid has been applied ... If the condition persists, the patient may need a systemic treatment with griseofulvin 250-500 mg bid x 4 to 6 weeks.

They are also known as onychomycosis and tinea unguium ... infection in nails treatment can be a long and expensive process.

When caused by dermatophytes, the infection is called tinea ... treatments are either systemic antifungal medications such as terbinafine (Goulden & Goodfield, 1995) and griseofulvin, or topical ...