Mastoiditis

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Mastoiditis - redness and swelling behind ear

Mastoiditis - side view of head

• Drainage from the ear
• Ear pain or discomfort
• Fever, may be high or suddenly increase
• Headache
• Hearing loss
• Redness of the ear or behind the ear
• Swelling behind ear, may cause ear to stick out

An examination of the head may reveal signs of mastoiditis. The following tests may show an abnormality of the mastoid bone:

• CTscan of the ear
• Head CT scan
• Skull x-ray

A culture of drainage from the ear may show bacteria.

Review Date: 08/03/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Seth Schwartz, MD, MPH, Otolaryngologist, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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