My son has a blotchy red rash only on his arms and a little on his thighs. It's not bumpy but smooth. He also said it's itchy. I thought it might be an allergic reaction and I gave him some allergy medication, but it doesn't seem to be subsiding. What could it be and how can I get rid of it.

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Originally Posted by jweathers3

My son has a blotchy red rash only on his arms and a little on his thighs. It's not bumpy but smooth. He also said it's itchy. I thought it might be an allergic reaction and I gave him some allergy medication, but it doesn't seem to be subsiding. What could it be and how can I get rid of it.

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Sounds like urticaria, or an allergic reaction, but it's impossible to tell without seeing it. If Benadryl doesn't make it go away, go see your doctor.