Take 2 advil (ibuprofen) every six hours and it doesn't work. how do i relieve my toothache?

Tooth ache: See a dentist! you may be able to alternate with tylenol (acetaminophen) and ask your dentist if you can take up to 800mg of advil or Ibuprofen depending on your weight and medical condition. But get to the source of the problem, don't wait for it to get worse you may have an infection.

See a dentist: Its important to identify the actual cause of the pain. Generally, Ibuprofen is an excellent over the counter pain killer for tooth pain. If you have a swelling of any kind you should seek professional attention right away. If home remedies and over the counter drugs don't work, you need to see a dentist to determine the cause and provide options for tx. This will address the cause of the pain.

Go to dentist: If it doesn't resolve quickly the best solution is to see a dental professional to have the tooth evaluated. It may be a minor problem which could become a major one of left unattended. Good luck.