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Levocetirizine is the pharmacologically active enantiomer of cetirizine. It is a potent histamine H-1 receptor antagonist with anti-inflammatory and antiallergic properties. The review analyses the levocetirizine’s properties in terms of safety and efficacy both in allergic rhinitis and urticarioid syndromes.
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Nettis et al. (2008) studied this question.
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