Painful armpit lumps are often due to a swollen axillary lymph node under the armpit. This is usually a sign that the body is fighting an infection, but it can sometimes indicate cancer.

Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. You may see a healthcare provider if you have an unexplained, hard lump in your armpit that's ...

Causes of armpit lumps Most lumps are harmless and are usually the result of abnormal tissue growth. However, armpit lumps can be related to a more serious underlying health problem. You should ...

The armpit, or axilla, has more than 20 lymph nodes – small lumps of tissue that are part of the body's lymphatic system, which help fight infection. (Photo Credit: WebMD) Symptoms of a muscle ...

Finding a bump under your armpit can be uncomfortable and disturbing. But you don’t need to panic as most armpit bumps are harmless and easily treatable. These bumps can appear for various ...

These bumps, or boils, form when the disease attacks the hair follicles in areas where your skin folds, including the armpits. Armpit heat rash These rashes happen when sweat gets trapped ...

Pimples are bumps formed from bacteria buildup in your pores or clogged sweat glands. Armpit pimples are common and have various causes. That said, red, oozing, and inflamed bumps may require ...

Boils, or furuncles, are red and painful bumps resulting from a bacterial infection. Boils are more likely to appear on skin exposed to moisture and friction, such as the armpits and groin.

The bumps can rupture and leak foul-smelling fluid ... A zit-like rash in your armpits could be folliculitis. Folliculitis is a common condition that occurs when hair follicles become infected.

Boils develop when hair follicles or sweat glands become infected, leading to painful, pus-filled bumps beneath the skin. The warm, moist environment of the armpit creates ideal conditions for ...