A member asked:

Can chronic dehydration cause chronic hives (physical urticaria) since water directly affects histamine production in the blood? rehydration cure it?

A doctor has provided 1 answer
Dr. Matt Wachsman answered

Specializes in Internal Medicine

No.: dehydration is not a standard cause of hives. Of course it certainly is easy enough to find out. Frankly, NEURODERMATITIS https://www.aad.org/dermatology-a-to-z/diseases-and-treatments/m---p/neurodermatitis/who-gets-causes is more common than association with dehydration.

Answered 5/29/2019

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