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A member asked:
I took zyrtec (cetirizine) d for allergy about 3 hours ago. i am still sneezing and blowing my nose. should i take another? they are 12 hour.
A doctor has provided 1 answer
No: You should wait about 12 hours before taking the next dose due to the decongestant part of Zyrtec D. Have you tried nasal steroid? It takes about 12 hrs to start working and several days to get optimal results. If problem persists, see an allergist.
Answered 10/23/2017
2.3k views
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