No need to worry: Zyrtec (cetirizine) does not cause any exacerbation of your symptoms.
Answered 10/4/2016
6k views
Zyrtec (cetirizine): And other oral antihistamines have not been reported to be an issue in persons with ulcerative colitis generally and should be well-tolerated. You may also switch to a topical nasal steroid if you do not want to take an oral medication.
Answered 10/3/2016
6k views
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