A member asked:

What causes a full body rash that looks like flat pink blotches in less than 1 minute, gone in 1 hour without meds. no food or med intake. not itchy?

3 doctors weighed in across 3 answers

Depends : Some people get a spotty rash like what you described when they are nervous or flushed. Others might get the same kind of rash with changes in temperature.

Answered 8/18/2013

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Probably: This is probably still a type of hives.

Answered 5/23/2013

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Urticaria: Urticaria refers to a group of disorders affecting adults and children, in which red patches and weals occur in the skin. A wheel is a swelling of the surface skin. The skin swelling seen in urticaria is due to the release of chemicals such as histamine from mast cells in the skin which causes small blood vessels to leak. Treatment is with antihistamine or avoidance of the causative agent.

Answered 6/1/2016

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