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When Your Child Has Mastoiditis

Your child has mastoiditis. This is an infection of the mastoid, the hard, bony area located right behind the ear. It's most often the result of an infection that started in the middle ear and spread to the bone. Outside of ear with mastoid bone showing behind ear. Infection is in mastoid bone. Outside of ear showing swollen area behind ear, pushing ear forward.

What are the risk factors for mastoiditis?

Mastoiditis is more common in children than adults. Having any of the following may make getting it more likely:

  • An ear infection

  • Eustachian tube problems

  • A problem with the immune system

What are the signs and symptoms of mastoiditis?

  • Fever

  • Ear pain

  • Swelling over the mastoid bone causing the ear to turn forward

  • Redness, tenderness, or swelling behind the ear

  • Drainage from the ear canal or dizziness (uncommon)

  • Weakened facial muscles (rare)

How is mastoiditis diagnosed?

Your child’s health care provider will ask about your child’s medical history. He or she will also do a physical exam. This helps find the best treatment. An imaging test, such as CT scan, may be done to help the health care provider make a diagnosis and view the mastoid area.

How is mastoiditis treated?

If mastoiditis is suspected, your child will likely be admitted into the hospital for evaluation and treatment. Your child won’t be sent home until the infection has cleared. The hospital stay can last for 5 to 7  days or more. In the hospital, your child will be given intravenous (IV) antibiotics for the infection. Your child will see an otolaryngologist, a doctor who specializes in care of the ears, nose, and throat (ENT). The ENT doctor may need to make a tiny incision in the eardrum to allow trapped fluid to drain out (called a myringotomy). This relieves pressure and the fluid can be tested. The test results help the ENT doctor determine which antibiotic to give your child. If these treatments don’t work, surgery may be needed to remove parts of the infected mastoid (called a mastoidectomy).

Long-term concerns

Once treated, the mastoid often causes no long-term problems. But left untreated, mastoiditis can lead to a serious infection in and around the brain. To protect your child’s health, follow-up with his or her regular health care provider.


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