Many things...: We would need more information in order to give you an accurate answer but possible causes: muscle spasm, nerve irritation, if there is a lump it could be inflamed or infected. It all depends on what other signs and symptoms you are having right now. If it is persistent you should see your doctor.
Answered 7/15/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
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