Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin infections. In most cases, armpit pain isn't a reason to worry, but it can ...

Pain in your breast and armpit can happen due to hormonal changes (like before your period, during pregnancy, or menopause), an ill-fitting bra, muscle strain, or mastitis, which is inflammation of ...

Lymph nodes are part of the body’s immune system. A swollen lymph node in the armpit may be a sign of a bacterial or viral infection, an injury, or a serious health condition, such as cancer. The ...

An abscess is a pus-filled bump or pocket that forms in or on your body due to an infection. Bacterial infections are the most common cause of abscesses, though an abscess can also form due to a viral ...