Ingrown nails show a 50% hereditary factor. If it runs in your family you may want to consider a permanent side removal as shown above. Local anesthesia is administered, the offending nail is removed then a chemical NaOH or Phenol is used to "kill" the root aka matrix.
Often people do not realize that podiatrists can do such services for you. If you have an ingrown nail see a podiatrist. While antibiotics will calm the infection down, the removal of the offending border can often times negate the need for oral antibiotics.