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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Recurring Red Rashes Causing Itchiness All Over The Body?

My son has a red raised rash all over his body that itches. It appeared last night, but much less concentrated. Tonight, it is on his legs, arms, back, buttocks, face, etc. It itches, is blotchy, is raised and red. Last night, when I gave him Benadryl, it went away. It came back again tonight. Not sure what may be causing it.
posted on Fri, 27 Feb 2015
Twitter Sat, 14 Mar 2015 Answered on
Twitter Mon, 16 Mar 2015 Last reviewed on
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General & Family Physician,  's  Response
Hello,
Most common cause for a red,raised and itchy rash could be allergy.The Diphenhydramine content in Benadryl would have taken care of the rash for a while.Most important thing to know in a case of allergy is to find out the thing to which your son is allergic.
If such child is brought to my clinic ,i would ask the following questions to elicit the cause
*Exposure to any known allergen(could be dust,cold,foods like egg,milk,or fish)
*Exposure to any new cosmetic or food
*Insect bite
*Family history of allergy or Asthma
It can be assured that he will be fine.But if you find out the cause,then you must take care that your son must not be exposed to the allergen
As the rash got spread to different parts of the body its better that he is seen by your physician for immediate care.
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What Causes Recurring Red Rashes Causing Itchiness All Over The Body?

Hello, Most common cause for a red,raised and itchy rash could be allergy.The Diphenhydramine content in Benadryl would have taken care of the rash for a while.Most important thing to know in a case of allergy is to find out the thing to which your son is allergic. If such child is brought to my clinic ,i would ask the following questions to elicit the cause *Exposure to any known allergen(could be dust,cold,foods like egg,milk,or fish) *Exposure to any new cosmetic or food *Insect bite *Family history of allergy or Asthma It can be assured that he will be fine.But if you find out the cause,then you must take care that your son must not be exposed to the allergen As the rash got spread to different parts of the body its better that he is seen by your physician for immediate care.