Ingrown nails. It happends when nails grow in the nailbed. Healthy nails grow straightforward. But sometimes, the edge of the nail gets in your skin. It is usually diagnosed in the thumb. To make sure it does not happen follow these steps:

  1. Cut your toenails straight.
  2. Make sure your shoes are not too small and tight.
  3. If your skin gets infected, do not try to cut the nail off by yourself.
  4. Prepare some salt and warm water, and put your legs in it. It helps with the ingrown and infected nail.

 If the problem is persistant, consult a dermatologist.