Toenail Fungus and Hair Loss: What's the Connection?

No, toenail fungus does not cause hair loss. Toenail fungus, also known as onychomycosis, is a common infection that affects the nails of the fingers or toes. It is caused by a type of fungus called a dermatophyte, which can live on the skin, hair, and nails. Toenail fungus is not contagious, and it does not cause hair loss.