Discuss Balrog's answer to: What does it mean when your big toenail on both sides is growing inward with a lot of pain

It also means you should see a podiatrist about it.  Believe it or not, ingrown toenails can become infected so badly the toenail and the end of the toe has to be removed.  If you get it taken care of promptly, an in-office procedure will almost always take care of it.