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AaronfromKY t1_iys9aye wrote

Reply to comment by redskea in Does treatment with daily antihistamines have an effect on the severity of other allergies like food or medication allergies? by KingZarkon

Xyzal puts me out super quick, so I can't even take it during the day. Definitely helps me get sleep most nights.

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Much_Elephant t1_iysgm6v wrote

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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