Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. ... "The ligaments that hold the shoulder joint together are near the armpit as well," says Lin.

Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. ... "The ligaments that hold the shoulder joint together are near the armpit as well," says Lin.

Causes of pain under the left armpit can range from minor skin infections to nerve damage. Learn about these and other causes, and when to see a doctor.

Your armpit is a sensitive area, so it's not uncommon to experience discomfort there. If you have pain under your left armpit, you may be wondering what might be causing it and what should you do ...

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Swollen lymph nodes in the armpit can be a sign of common viral infections, such as the flu or mono. They can also occur as a result of a bacterial infection or RA. In some cases, swollen lymph ...

A recent study examining the armpit microbiome of individuals across different age groups found that people 55 years and older have more armpit bacteria than those between 18-30 and 35-50 years old.