A member asked:

Hi, i have had red marks that appear when i wake up and then disappear about 30 minutes later. ?

A doctor has provided 1 answer
Dr. Corey Clay answered

Specializes in Allergy and Immunology

Hives?: This could be related to blood flow changes in the skin if there are no associated symptoms and may be normal; but if there is itching or swelling with the redness then it sounds like hives. If hives occurring for more than a month or if not responding to second generation otc antihistamine like Zyrtec, (cetirizine) would recommend an appointment with Allergist.

Answered 11/12/2015

2.6k views

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