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.

Swollen lymph nodes are usually a telltale sign that your body is fighting off an infection, whether it’s from bacteria or a virus. This can stem from strep throat, an ear infection, mononucleosis, or ...

The preauricular lymph nodes sit just in front of the ears. These tiny nodes play a vital role in protecting the body against infections and disease. In this article, we provide information on the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You might experience swollen lymph nodes—small, bean-shaped glands throughout your entire body—on your ...

A retropharyngeal abscess is a life-threatening collection of pus that forms in the back of the throat. It typically develops when the lymph nodes behind your throat become infected. They may have ...