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A member asked:
What happens if i have an allergy to cats would i srart breaking out into hives 8 hours after being in contact with cat?
3 doctors weighed in across 2 answers
That certainly : Could occur as part of a delayed reaction phase. Take this seriously because if you develop difficulty breathing, chest tightness or swelling of mouth, tongue, throat or lips it could be life threatening.
Answered 12/10/2013
4.7k views
Unusual: Most reactions would occur within minutes but for some people there is a delayed phase of allergic reaction which may occur from 2-6 hrs after the exposure but only if you have already had the immediate reaction.
Answered 10/4/2016
4.7k views
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