Open Study to Evaluate the Safety of Levocetirizine in Young Children (2 - 6 Years) Suffering From Allergic Rhinitis

Inclusion Criteria: * At Visit 1: * Male or female outpatients aged 2 to 6 years old. * Subjects suffering from allergic rhinitis (perennial and/or seasonal) and symptomatic as attested by the Daily Record Card (DRC). * At Visit 2: * Respected wash-out periods for the forbidden medication. Exclusion Criteria: * • Presence of asthma requiring treatment by inhaled corticosteroids. * Atopic dermatitis or urticaria requiring antihistamine treatment or the administration of oral or topical corticosteroids, or any other disease requiring the administration of oral or topical corticosteroids, immunomodulatory drugs, anti-inflammatory, or cytotoxic drugs. * Use during the course of the study, or during the specific wash-out periods, of any of the following medications: intranasal or systemic corticosteroids (within 7 days), ketotifen (within 7 days), nedocromil or cromoglicate (within 7 days), loratadine and desloratadine (within 7 days), other antihistamines (within 3 days) or decongestants (per os, nasal spray, or drops - within 3 days), or any other concomitant medications that, in the opinion of the Investigator, interfered with the study. * Initiation or change of dose of an immunotherapy regimen during the course of the study.