How do i clear up stubborn athlete's foot?

Fungus: Over-the-counter antifungal medications sometimes are not strong enough to treat athletes foot. You may need a prescription for a topical antifungal medication or possible oral antifungal medication depending on the severity of your symptoms. You should see a podiatrist for further evaluation.

See a podiatrist: If it has not responding to topical medication then you need professional care.

See a dermatologist: You need accurate diagnosis first. Then you can probably treat it.