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.

Mastoiditis is inflammation and infection of the mast cells in the mastoid bone. Learn the causes, symptoms, diagnosis, treatment guidelines, and complications of mastoiditis.

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 …

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 …

The skin covering the mastoid process may become red, swollen, and tender, and the external ear is pushed sideways and down. Other symptoms are fever, pain around and within the ear, …

May 2, 2024 · This bone has a honeycomb-like structure that fills with infected material and may break down. The condition is most common in children. Before antibiotics, mastoiditis was one …

Mastoiditis is an infection of this bone and is most often caused by middle ear infections. In the event of severe ear infections, the infection can spread from the ear into the mastoid bone …

Mastoiditis symptoms usually show up after a middle ear infection, typically within a few days or a week. If you have a middle ear infection, it’s important to get that treated by a medical …

Dec 18, 2025 · Ear Pain: A common symptom that may be severe and persistent. Swelling Behind the Ear: The mastoid area may appear swollen and tender. Fever: A high fever may …