Bozeman, MT

A 37-year-old female asked:

I am on zyrtec (cetirizine) and flonase for severe hayfever. neither should cause drowsiness but i feel severely tired&like i almost have to be reminded to breathe?

1 doctor answer • 2 doctors weighed in

Dr. John Chiuanswered

Allergy and Immunology 59 years experience

Not true: Zyrtec (cetirizine) can cause significant drowsiness in up to 10% of the people.

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3.1k viewsReviewed >2 years ago

Dr. Corey Clay

Dr. Corey Clay agrees1 doctor agrees

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A 43-year-old male asked:

I have extreme postnasal drip which causes a choking feeling when I recline and it's been keeping me awake at night, and been an issue for a while as I have a visibly deviated septum. I've tried Flonase with zyrtec, xyzal, allegra. Also a neti pot?

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Last updated May 3, 2018

Found in:

Drowsiness›Hay fever›Cetirizine

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