A member asked:

Have red dots in skin that appear in same spots. they itch and go away with zyrtec (cetirizine). what could these be caused by?

A doctor has provided 1 answer
Dr. John Chiu answered

Impossible to tell: It is impossible to tell what you have based on the scanty information. It may be from a drug reaction (fixed drug eruption) or even a form of mastocytosis but you really need to see your doctor about this if this has been bothering you.

Answered 11/10/2015

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