A 21-year-old female asked:
I have a large red bump on the back of my arm where the muscle is. it looks like a pimple and is very painful. what is it?
1 doctor answer • 1 doctor weighed in
Family Medicine 25 years experience
Abscess? infected: Hair follicle? These are some of the common things that it could be. I suggest putting warm compresses on it to see if it might get soft and open up/drain. If it gets worse, see a doctor for evaluation, possible incision/drainage or antibiotics.
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5.2k viewsAnswered >2 years ago
Last updated Sep 29, 2013
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