cause of armpit pain
Common causes of armpit pain Wide-ranging factors cause underarm pain, including skin conditions, infections, and immune conditions. Depending on the cause and severity, symptoms vary from mildly irritating to extremely uncomfortable and distressing. Common causes of armpit pain include: Swollen lymph nodes The lymph nodes are crucial to a successful immune response. They round-up foreign bodies and stimulate the release of immune cells, which destroy and remove these invading bodies. During bacterial, fungal, and viral infections, the lymph nodes fill up with invading cells and begin to swell. This enlargement causes inflammation and pain. Causes of swollen lymph nodes include: · the common cold · upper respiratory infection · viral infection · strep throa...