Athlete's foot usually causes a scaly red rash that typically begins in between the toes. Itching is often the worst right after you take off your shoes and socks. Some types of athlete's foot feature blisters or ulcers. The moccasin variety of athlete's feet causes chronic dryness and scaling on the soles that extends up the sides of the feet. It can be mistaken for eczema or even as dry skin.
The infection can affect one or both feet and can spread to your hand — especially if you scratch or pick at the infected parts of your feet.
When to see a doctor
If you have a rash on your foot that doesn't improve within a few weeks after self-treatment, see your doctor. Seek medical advice sooner if you have diabetes and suspect you have athlete's foot or if you notice excessive redness, swelling, drainage or fever.