Itchy, red, scaly rash
Ring-shaped patch with a clearer center
Raised, more active border than the middle
Rash that slowly spreads outward
Dry, cracked, or peeling skin
Hair loss or broken hairs if on the scalp
Itching or tenderness in the affected area
Rash on feet, groin, body, scalp, or nails
Thickened, discolored, or brittle nails if nails are involved
Similar rash after contact with an infected person, pet, or contaminated item
Symptoms that do not improve with regular moisturizer or steroid cream
A healthcare professional can confirm it with a skin scraping or exam