Medically reviewed by Jane Kim, MD You may have swollen armpit lumps due to infections, cysts, or vaccines.In severe cases, ...

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 ...

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.