Cetirizine vs Levocetirizine
Levocetirizine is active isomer. Same effect at half dose, less drowsiness.
Last updated: April 2026
Cetirizine
Various
Levocetirizine
Various
Verdict
Levocetirizine preferred — lower dose, less drowsiness.
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Medical Disclaimer: This comparison is for educational purposes only and does not constitute medical advice. Always consult your doctor or pharmacist before switching or starting any medicine. Individual responses may vary based on health conditions, dosage, and other factors.