Levo Cetirizine - the Drug with Numerous Plus to Cure Allergic Syndrome Compared to other Treatment Systems

Many drugs are available to treat allergic condition. This review focused on why antihistaminics best choice for treatment of disorder especially rhinitis (AR). AR is a chronic inflammatory disease. can be detected by its characteristics nasal congestion, itching, sneezing, rhinorrhoea, pruritis, redness, tearing and itching eyes. very common increases day after day. Allergic not lethal but interferes with daily schedule in sustained manner. It also observed that COVID-19, stimuli reactions such as condition, breathing difficulties irritation quite common. necessary an effective powerful medicine because nowadays, many factors trigger these responses the environment, food products, pollution, etc. Before any symptoms it know pathogenesis. Hence, this review, we discuss introduction AR, pathogenesis, diagnostics, classification treatment. We understand levocetirizine, third-generation antihistamine, superior all other antihistamines most favourable paediatric patients ways. Keywords: rhinitis, Antihistaminic, Levocetirizine, COVID­19, Asthma, Nasal congestion