Keep toenails trimmed straight across and filed thin
Wash feet daily and dry thoroughly, especially between toes
Change socks daily or more often if feet sweat
Wear breathable shoes and rotate pairs to let them dry
Use antifungal creams, sprays, or powders as directed on the label
Apply prescribed topical antifungal nail treatments consistently
Ask a doctor about oral antifungal medication for stubborn cases
Disinfect nail clippers, files, and other grooming tools after use
Avoid sharing shoes, socks, or nail tools
Wear shower shoes in public locker rooms, pools, and communal showers
Keep feet as dry as possible and use moisture-wicking socks
Treat athlete’s foot if present
Avoid nail polish and artificial nails until the infection clears
Replace old shoes if they may be contaminated
See a healthcare professional if the nail is painful, thick, spreading, or not improving