It can take months to years for a toenail to grow back. The timeline can depend on the reason it’s missing, whether trauma, fungus, or another health condition. Share on Pinterest Aitor Diago/Getty ...

Subungual onychomycosis is the most common type of toenail fungus and affects the nail bed and underside of the nail. White superficial onychomycosis causes white spots and flaky patches on the ...