Lymph nodes are part of the body’s immune system. A swollen lymph node in the armpit may be a sign of a bacterial or viral infection, an injury, or a serious health condition, such as cancer.

Swollen lymph nodes in the armpit indicate that your body is responding to infection, injury, or disease. Learn what they look like and when to see a doctor.

The armpit, or axilla, has more than 20 lymph nodes – small lumps of tissue that are part of the body's lymphatic system, which help fight infection.

They're located throughout the body in the armpits (called axillary lymph nodes), the groin, neck and chest. The nodes can become swollen and painful, usually when the body is fighting off infections.

7. Vaccines. Lymph nodes in your armpit can also become swollen due to vaccines as part of an immune response. Gardasil—the ...

Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm pain and when to see a doctor. Dec. 27, 2024, 1:57 PM EST / Source : TODAY ...

Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin ...

The lymph nodes in the armpit drain the lymphatic fluid from the breast and arm. It is important to know if there are cancer cells in the lymph nodes in the armpit and how many lymph nodes are ...

Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm pain and when to see a doctor.