Medically reviewed by Mary Josephine Hessert, DO Ear infections, TMJ disorders, and glossopharyngeal neuralgia can all ...
A lump behind the ear can be caused by swollen lymph nodes, which are common and usually harmless. Most lumps behind the ear ...
An abscess occurs when an infection causes a pocket of pus to develop. Abscesses can develop on the skin, in the mouth, or inside the body. Bacterial infections typically cause abscesses. Pus develops ...