Toenails can turn black from nutritional deficiencies, infection, or trauma. This may go away on its own. If not, see your doctor to rule out a more serious cause. Read on to learn about the causes of ...

Q: I've tried all the toenail fungus cures in our drugstore, and so far nothing works. Why not? What can I do? I really miss wearing sandals. A: You are one of the estimated 6 million people in the ...

There are four main types of fungal toenail infections that differ by the organism that causes them and the parts and/or patterns of the nail they invade. Symptoms of the infection, also known as ...

Dear Doctor: I've tried all the toenail fungus cures in our drug store, and so far nothing works. Why not? What can I do? I really miss wearing sandals. Dear Reader: You are one of the estimated 6 ...