Tag: Zyrtec vs Xyzal

Cetirizine vs Levocetirizine: Which Causes Less Drowsiness and Why

September 6 2025

Cetirizine and levocetirizine treat allergies equally well, but levocetirizine causes less drowsiness. Learn why one might be better for you based on side effects, cost, and real-world use.

Tag: Zyrtec vs Xyzal

Cetirizine vs Levocetirizine: Which Causes Less Drowsiness and Why

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