Medically reviewed by Katlein Franca, MD Toenail fungus, or onychomycosis, is a nail infection that can make your toenails thicker, change color, or break apart. It affects about one in 10 people and ...

From trauma to a toenail fungus, there are many reasons why you may have a black toenail. Here's what it means, how to treat ...

The efficacy and safety of efinaconazole 10% solution is acceptable among older adults with onychomycosis and comparable to the general population.

A 35-year-old man presents with a chief complaint of purple discoloration of his toes and associated skin lesions that have ...