A fungal nail infection, also known as onychomycosis or tinea unguium, happens when a fungus that’s normally in your fingernails or toenails overgrows. The same fungi that cause jock itch, athlete’s foot, and ringworm, can cause fungal nail infections. We explain who’s at risk, what to look out for, and more.
— Read on www.healthline.com/health/fungal-nail-infection
