Minutes to hours: If you are allergic to a drug, the reaction usually occurs within minutes and 2 hours. However if the reaction is a rash , it may take several days. Norco (hydrocodone and acetaminophen) is not a highly allergenic drug although you may get side effects from the opiate it contains.
Answered 6/30/2014
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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
A doctor has provided 1 answer
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