Keep the nail clean and dry
Trim the affected nail straight across
File down thickened nail surfaces carefully
Apply an over-the-counter antifungal treatment as directed
Use medicated nail lacquer if recommended by a pharmacist or doctor
Wear breathable shoes and moisture-wicking socks
Change socks daily or when damp
Disinfect nail clippers and files after use
Avoid sharing shoes, socks, or nail tools
Treat athlete’s foot if present
Consider prescription antifungal medicine from a doctor
See a doctor if the nail is painful, spreading, or not improving
Seek medical care if you have diabetes, poor circulation, or a weakened immune system