Structure of Levocetirizine
Levocetirizine is the active enantiomer of Cetirizine, featuring a similar piperazine structure with enhanced selectivity.
Chemical Formula: C₂₂H₂₁ClN₂O₃
Mode of Action
Selective peripheral H₁-receptor antagonist with higher potency and reduced side effects compared to its racemic mixture.
Uses
Allergic Rhinitis: Treats symptoms such as sneezing, itching, and runny nose.
Chronic Urticaria: Alleviates hives and skin itching.
Seasonal Allergies: Provides relief from pollen-induced allergic symptoms.