Toenail changes often serve as early warning systems for underlying health conditions, with fungal infections representing one of the most common yet overlooked indicators of immune system function ...

What is an ingrown toenail? In diabetes patients ingrown toenails can become a serious problem when it is left untreated.

Dear Doctor K: My big toenail has become thick and yellow and has started to separate from the nail bed. It also smells unpleasant. What's wrong with my toenail, and what can I do about it? Dear ...

Cellulitis is a bacterial skin infection that often affects the legs and feet. A person may develop cellulitis in the toenails due to another infection, such as athlete’s foot, or as a symptom of an ...

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 ...

Thick, yellow, and brittle toenails are often caused by a fungal infection known as onychomycosis. This occurs when yeasts, moulds, or dermatophytes enter small cracks in the nail or surrounding skin, ...