Probably not, but: Stop scratching off 'bumps' unless you then disinfect them and bandage to prevent infection or irritation. You may be tough, and it may not 'hurt' but it can still get infected and lead to bigger problems than you want to invite. If it returns, go for an exam. Also, if you know of a possible risky source, have lab testing.
Answered 5/28/2016
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A doctor has provided 1 answer
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