Toenail fungus, or onychomycosis, is a nail infection that can make your toenails thicker, change color, or break apart. It affects about one in 10 people and is common in adults over 60. While fungi ...

Subungual onychomycosis affects the nail bed and underside of the nail. White superficial onychomycosis causes white spots and flaky patches on top of the nail. Candidal onychomycosis starts near the ...

According to the National Psoriasis Foundation, approximately 50% of people with psoriasis will also have nail psoriasis. Nail psoriasis can affect a person’s fingernails or toenails. Nail psoriasis ...