These lumps are lymph nodes or glands that are located all over the body, including behind the ears, and contain immune cells ...

Although swollen lymph nodes behind the ear are more common due to the location of lymph nodes in the neck, some people will ...

A lump behind the ear can have many possible causes. The most common include swollen lymph nodes caused by an uncomplicated infection. These lumps are typically harmless and relatively easy to treat.

Lymph nodes usually swell near the site of the injury. For example, lymph nodes behind or under the ears may swell when a person has an ear infection, while lymph nodes in the neck might swell in ...