It is an odorless white crystalline powder with bitter taste. Our vision to excel and establish a strong foothold in the market has assisted us to evolve as a prominent organization engaged in offering Triprolidine HCL. This drug is an antihistamine used to relieve symptoms of allergy, hay fever and the common cold. The medication works by blocking a certain natural substance histamine that your body makes during an allergic reaction. Triprolidine HCL is a first generation histamine H1 antagonist used in allergic rhinitis; asthma; and urticaria.