Loratadine

**Definition:** A second-generation histamine H1 receptor antagonist used in the treatment of allergic rhinitis and urticaria. Unlike most classical antihistamines (HISTAMINE H1 ANTAGONISTS) it lacks central nervous system depressing effects such as drowsiness.

**Tree numbers:** - D02.455.426.559.847.181.384.340.500 - D03.383.621.160.500 - D04.615.181.384.340.500

**Synonyms:** - 4-(8-Chloro-5,6-dihydro-11H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-ylidene)-1-piperidinecarboxylic Acid Ethyl Ester