Go now: Better safe than sorry. If he is hurting all of a sudden, and a new onset rash, it could be a reaction. You did not say where he was hurting, but abdominal pain can be an indicator of an allergic reaction.
Answered 4/22/2014
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A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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