Vasudha Pharma Chem Limited supplies Anti-histamine Loratadine. Vasudha Pharma Chem Limited is an ISO 9001:2000 registered company. Anti-histamine Loratadine is used to relieve hay fever and allergy symptoms, including sneezing; runny nose; and red, itchy, tearing eyes. Loratadine is in a class of medications called antihistamines. It works by blocking histamine, a substance in the body that causes allergic symptoms. This medicine may cause less drowsiness than other antihistamines. It is available in tablet and syrup form. The chemical name of this medicine is 4-[8 Chloro-5,6-dihydro-11 H-benzo [5,6] cyclohepta [1-2-b] pyridine 11-ylidene]-1- piperidine carboxylic acid ethyl ester.