Jan 18, 2025 · Mastoiditis is an infection of part of the large bone behind your ear. It’s caused by untreated middle ear infections. Symptoms include ear pain and drainage.

Sep 12, 2023 · WebMD discusses the symptoms, causes, and treatment of mastoiditis, a sometimes serious bacterial infection of a bone behind the ear.

May 2, 2025 · Mastoiditis is a severe complication of otitis media characterized by infection of the mastoid bone. Symptoms of mastoiditis include tenderness, redness, or swelling behind the ear, as …

Feb 10, 2023 · Mastoiditis is a serious infection of the mastoid, the hard, prominent bone just behind and under the ear. It is rare and can be life threatening without treatment. Symptoms of mastoiditis...

Mastoiditis - Learn about the causes, symptoms, diagnosis & treatment from the MSD Manuals - Medical Consumer Version.

Jan 6, 2026 · Care guide for Mastoiditis. Includes: possible causes, signs and symptoms, standard treatment options and means of care and support.

May 2, 2024 · Mastoiditis is most often caused by a middle ear infection (acute otitis media). The infection may spread from the ear to the mastoid bone. This bone has a honeycomb-like structure …

Mastoiditis is the result of an infection that extends to the air cells of the skull behind the ear. Specifically, it is an inflammation of the mucosal lining of the mastoid antrum and mastoid air cell …

Oct 21, 2025 · Mastoiditis is a serious bacterial infection that develops in the mastoid process (bony projection behind the earlobe), which contains bone and air cells surrounding the middle ear. This …

Background Acute mastoiditis is a complication of acute otit. s media (AOM). The middle ear cavity and mastoid air spaces are continuous. During an episode of AOM, the mucosa. ining the middle ear, …