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Each film coated tablet contains levocetirizine dihydrochloride 5 mg.
Levocetirizine is a second generation antihistamine. The molecular formula of levocetirizine is C21H25ClN2O3 which similar to cetirizine. However, the chemical formula of them are different since levocetirizine is an active R-enantiomer of cetirizine racemate. The chemical formula of levocetirizine is [2-[4-(R)-p-Chloro-α-phenylbenzyl]-1-piperazinyl]ethoxy]acetic acid.
