Much_Elephant t1_iysgm6v wrote
Reply to comment by AaronfromKY in Does treatment with daily antihistamines have an effect on the severity of other allergies like food or medication allergies? by KingZarkon
Xyzal is just the better half of Zyrtec so that makes sense. Zyrtec contains both levo and dextroceterizine and dextroceterizine isn't useful. Xyzal is the levoceterizine portion alone.
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