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 a complex junction where muscles, nerves, blood vessels, and lymph nodes meet. Because it is such a busy area of the body, experiencing pain there is surprisingly common. For some, it is ...

Keeping your armpits dry is key, to minimize blockage of sweat glands. When you shower, avoid scrubbing, which can actually just irritate painful lumps and make things worse. Instead, use your hands ...

Hidradenitis suppurative occurs in areas with hair follicles where skin rubs together, so the armpits are frequently affected. Hidradenitis suppurative (HS) is a chronic condition that causes painful ...

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 ...

Doctors can drain a ganglion cyst with a needle and syringe. They can also surgically remove the cyst. Although surgery lowers the chance that the cyst will return, it can cause lasting pain and ...