Also known as: onychomycosis, toenail fungus, fungal nail infection, tinea unguium, toenail mycosis, fungal toenail infection
What it is:
Fungal toenails, medically termed onychomycosis or tinea unguium, and commonly known as toenail fungus, is a prevalent infection that affects the toenails. It occurs when fungi—typically dermatophytes, but also yeasts (like Candida) or non-dermatophyte molds—invad...