• Symptoms
    • 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

    Signs and tests

    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.