Lymph nodes are part of the lymphatic system, which is a complex network of nodes and vessels. In certain areas of the body, such as the neck, armpit, and groin, lymph nodes sit close to the skin.

Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. You may see a ...

Right-sided pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, armpit pain may indicate a more serious issue, such as cancer or a heart issue. The armpit ...

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 ...

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 ...

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

Left armpit pain can occur with conditions like allergic reactions, infections, and muscle strain. Some severe causes may have additional symptoms, including a breast lump or difficulty breathing.