Fungal nail infections are called onychomycosis. Many types of fungi can cause nail infections, but some common types include Trichophyton rubrum and Trichophyton interdigitale. Fungi are organisms ...

Toenail fungus often starts with mild nail discoloration or lifting. It’s not usually serious, but the nails may thicken, become brittle, or fall off without treatment. Nail fungus (onychomycosis) is ...

Nail psoriasis and onychomycosis (nail fungus) are both conditions that can discolor, thicken, or separate your nails. However, they have different causes, risk factors, and treatments. Nail fungus is ...