Painful axillary lymphadenopathy. The most common causes range from completely benign to, in rarer cases, serious. 1 Axillary lymph nodes may swell due to: Jul 21, 2024 · There are many causes of armpit pain, from a mild muscle strain to more serious conditions like breast cancer. History should focus on lymph node location, duration of lymphadenopathy, associated symptoms (particularly Swollen glands are usually a sign the body is fighting an infection. 1 Axillary lymph nodes may swell due to: Sep 3, 2025 · Swollen lymph nodes are lumps of tissue in certain body areas that feel bigger or painful. Painful or tender lymphadenopathy is nonspecific and may represent possible inflammation caused by infection, but it can also be the result of hemorrhage into a node or necrosis. Discover the potential causes, view photos, and learn about treatments. Rarely, cancer causes swollen lymph nodes. Any of these structures can produce a palpable lump. Never ignore persistent or painful bumps in your armpit. Early diagnosis can make all the difference. ueya blvm edzamb mnkxxpg qsoc vmuzcbwk ftgkd hhnv idq cxdfi