See a dermatologist or podiatrist for confirmation and treatment
Use prescription oral antifungal medication if appropriate
Apply prescription topical antifungal medication exactly as directed
Keep nails trimmed short and filed thin
Clean and dry feet thoroughly after washing
Change socks daily or more often if sweaty
Wear breathable shoes and rotate pairs
Use antifungal powder or spray in shoes and on feet
Disinfect nail tools after each use
Do not share nail clippers, files, or shoes
Treat athlete’s foot at the same time if present
Avoid nail polish and artificial nails during treatment
Soak feet only if advised by a clinician
Continue treatment for the full prescribed duration
Seek medical care promptly if you have diabetes, poor circulation, or a weakened immune system