A swollen lymph node can be a bit like your body’s version of a red flag: When one of these bean-shaped clusters of immune cells in your neck, armpit, or groin puffs up, it’s typically an indication ...

Swollen lymph nodes in your neck, armpit, head, and other parts of the body often occur when your body is fighting an ...

The last time you visited your doctor for a sore throat, they may have felt for potential inflammation in your neck. That’s because infections often cause swollen lymph nodes (medically known as ...

Understanding this often-overlooked symptom could help millions of allergy sufferers recognize when their body is sending important signals about their immune response. When most people think of ...

Allergies occur when your immune system overreacts to allergens like pet dander, pollen, mold, certain foods, or medications. Allergy symptoms may include a runny nose, congestion, coughing, wheezing, ...

"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 ...

Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin infections. In most cases, armpit pain isn't a reason to worry, but it can ...

The lymphatic system, made up of lymphoid tissues known as nodes and vessels, is part of the human immune system. It is involved in protecting the body against infection, by delivering immune cells, ...

Cancer that starts in the lymph nodes is lymphoma. Cancer may also spread from other areas of the body to various lymph nodes, including the neck. Swollen lymph nodes are usually due to a cause other ...