A member asked:

What causes a swollen lymph node in arm pit? and how to treat it?

4 doctors weighed in across 2 answers

Several things: An infection is the most likely cause, but other things can cause swollen lymph nodes as well....Your doctor needs to examine you and possibly run some tests to determine the cause before it can be treated....

Answered 10/3/2016

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Usually infection: Infection in arm is a usual cause. You may feel the node periodically, if the lymph gland doubles in size, becomes painful, ulcerates, or other nodes become enlarged, or you develop fever, or lose weight, you should see a doctor.

Answered 1/28/2019

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