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.

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 ...

Five weeks ago I found a pea sized lump in my left armpit. My doctor said it was probably the result of a viral infection, but agreed to refer me to the local breast clinic. Two weeks ago I found ...

In a new TikTok video from March 12, the 24-year-old Real Housewives of New Jersey daughter revealed that she recently found a lump in her armpit as she gave her followers a look at a day in her life.