commonly occur when your body is fighting off an infection. Although swollen lymph nodes behind the ear are more common due ...

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.

Discover how allergies can cause swollen lymph nodes, and learn to distinguish between normal immune responses and warning ...

For example, lymph nodes behind or under the ears may swell when a person has an ear infection ... person has cancer or a severe infection, they may have many swollen lymph nodes.

Knowing the cause of swollen lymph nodes is important for treating them. Your lymph nodes filter harmful substances from your body and help fight infections. Allergens can trigger your immune ...