A member asked:
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i have had severe upper rhespiratory problems due to allergies for the past few days but today they re better but now after taking a claritin and a hot shower i have a blotchy red rash on my arms and legs it s not itchy but i m wondering what the cause mi

1 doctor answer
Dr. Robert Kwok
32 years experience Pediatrics
Viral? Allergic?: Blotchy appearing reddish rashes can occur when the blood flow in the tiny vessels at the skin's surface change, such as in an allergic rash, a viral rash, or in reaction to changes in skin temperature. Viral infections that cause cold symptoms and other symptoms can sometimes cause such skin patterns (fifth disease, caused by a virus, can cause reddish patterns). A doctor can evaluate if needed.
Answered on Apr 22, 2017
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Red splotchy rash: You may have erythema infectiosum or fifth's disease which is a harmless viral exanthem.
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