Not all itchy feet are the result athlete’s foot. Doctors usually diagnose the infection by scraping scaling skin off of a person and inspecting it under a microscope for evidence of any fungus.There are a few different fungi that can cause athlete’s foot. The infection may behave differently depending on the specific fungus that is infecting the skin.Athlete’s foot is often treated with topical antifungal ointments, which are available to purchase over-the-counter or online. Severe infections can require additional oral medications as well. The feet will also need to be cared for and kept dry to help kill the fungus.Prevention methods include allowing the feet plenty of air to breathe and keeping them clean and dry. It is a good idea to wear sandals in public showers or locker rooms.