You may have nail fungus — also called onychomycosis (on-ih-koh-my-KOH-sis) — if one or more of your nails are:
– Thickened
– Brittle, crumbly or ragged
– Distorted in shape
– Dull, with no shine
– A dark color, caused by debris building up under your nail
Infected nails also may separate from the nail bed, a condition called onycholysis (on-ih-KOL-ih-sis). You may feel pain in your toes or fingertips and detect a slightly foul odor.
When to see a doctor
You may want to see a physician if self-care steps haven't helped. Also see a doctor if you have diabetes and think you're developing nail fungus.
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