Those yellowish and thickened toenails could mean you have an infection with a toenail fungus. Here are the types, symptoms, ...

Areas of the body that can be affected by ringworm include toenails or fingernails (tinea unguium, also called onychomycosis), feet (tinea pedis, commonly called athlete’s foot), hands (tinea ...

Onychomycosis, or fungal infection of the nail, most often affects the toenails. Infected nails usually have a thick, yellow appearance and can become coarse and brittle (see Figure 4). When ...