Viral induced likely: A virus can cause hives as well as an ex anthem ( rash). Usually this will last 2 to 4 weeks then dissipate. Other thought would be an allergy to a medication you gave him for the cold.
Answered 5/12/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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