Medically reviewed by Daniel More, MD Allergies occur when your immune system overreacts to allergens like pet dander, pollen ...

Lymphatic drainage massage for your face helps decrease fluid retention and temporarily depuff. Experts explain the facial ...

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.

Painful armpit lumps are often due to a swollen axillary lymph node under the armpit. This is usually a sign that the body is fighting an infection, but it can sometimes indicate cancer.

One of the lymph nodes on the right side of my neck has been enlarged for the last two to three months. It is about the size of a small pea and feels fairly firm to the touch. I've no other ...

Medically reviewed by John Carew, MD A lump on the side of the neck could be a swollen lymph node caused by a bacterial or ...