Q: I have had ingrown nails before, but the one I have now is painful, really red and swollen, and is leaking pus. Should I be on antibiotics? A: The nail matrix is the only part of the nail that's ...

Ingrown toenails can be caused by wearing ill-fitting shoes and too long or too short nails. If an ingrown nail isn't treated, it could cause an infection and grow into the surrounding tissue. To ...