Could be: from something you're exposed to or from a systemic medical condition (impossible to diagnose without seeing you). your best bet is to see a physician.
Answered 12/6/2015
1.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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