Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. Finding a lump in your armpit can be worrisome, especially if it hurts or appears unexpectedly.

An armpit lump—or axillary lump—can occur as a symptom of many conditions that range from harmless to serious. It is often the result of an enlarged lymph node. While an armpit lump is a ...

The armpit is rich in sweat glands and the pores from these can become blocked, which may go on to become infected, causing a sore lump. Many of these do eventually go on their own, so leave it ...

With the average age for women to be diagnosed with breast cancer is late forties, one woman revealed she was diagnosed with ...

a rash or redness A new lump, swelling, thickening or bumpy area in one breast or armpit that was not there before Discharge of fluid from either of your nipples Any change in nipple ...