A member asked:

I have a large bump on my back that grows/shrinks. once i was able to extract min. puss. it's now large and painful but moveable. nothing extracting. ?

A doctor has provided 1 answer
Dr. Katharine Cox answered

Specializes in Pediatric Emergency Medicine

Cyst: It may be a sebaceous cyst that you may want removed. Review it with your doctor. All the best.

Answered 9/7/2015

2.3k views

Thank

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