Tooth abscess (1727)

Key points below

What is a tooth abscess?

A tooth abscess is an infection inside the tooth. The infection kills the tissues inside the tooth. Infected fluid called pus may collect. If not treated, a tooth abscess can spread the infection to the bone and tissues of the face. Signs of a tooth abscess can be:

What causes it?

How is it treated?

Your child should see a dentist. The goals of treatment are:

How can I help my child?

How can a tooth abscess be prevented?

For more information


Call your child’s doctor, nurse, or clinic if you have any questions or concerns or if your child has:

  • A constant, throbbing toothache.
  • A fever of 101°F (38.3° C).
  • A swollen upper or lower jaw that is getting worse after being on antibiotics for 2 to 3 days.
  • An abscess that drains by itself.
  • Had a recent tooth injury.
  • Special health care needs that were not covered by this information.