See a dermatologist or podiatrist for diagnosis and treatment
Use prescription antifungal medication if prescribed
Apply topical antifungal nail treatment consistently as directed
Take oral antifungal medication if prescribed and appropriate
Trim and file affected nails regularly
Keep feet clean and dry
Change socks daily or more often if sweaty
Wear breathable shoes and alternate pairs
Use antifungal powder or spray in shoes if recommended
Disinfect nail clippers, files, and other grooming tools
Avoid sharing shoes, socks, or nail tools
Treat athlete’s foot if present
Wear sandals or flip-flops in public showers and locker rooms
Remove nail polish and artificial nails during treatment
Continue treatment for the full recommended duration
Seek medical care promptly if you have diabetes, poor circulation, or a weakened immune system