A member asked:

My husband had a bump under his arm. it popped and had a very foul odor. what could that be?

3 doctors weighed in across 2 answers

Cyst: Sounds like epidermal inclusion cyst ( if the material was cheesy) or a simple cyst ( a boil - if more liquid). Warm heat pack will usually resolve these.

Answered 3/26/2013

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Dr. Bradford Romans answered

Specializes in Internal Medicine

Abscess: Likely an infection.If recurs , it may be hydradinitis.

Answered 10/4/2016

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