However, some armpit lumps can indicate a more severe condition. Health Conditions Health Products. Discover. Tools. Connect. Subscribe. Armpit lumps: What you need to know. Medically reviewed by ...

Like other cancers, ... The most commonly reported symptoms are a large brownish spot, ... “Armpit lumps are often a sign of infection that may require antibiotics.

Some causes, like muscle injury, can lead to pain in only one armpit while others can affect both. Conditions affecting nearby structures, such as a pinched nerve in the neck, also can lead to ...

There are many causes of armpit pain, from a mild muscle strain to more serious conditions like breast cancer. Learn more about causes of armpit pain in this article.

A mum who mistook a painless armpit lump for early signs of flu when showering was horrified when it turned out she had breast cancer - like Girls Aloud's Sarah Harding.