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Active Pharmaceutical Ingredients (APIs)
  • Fexofenadine HCl

    • API Product   :   

      Fexofenadine HCl

    • CEP   :   


    • WCC   :   


    • Therapeutic Use    :   

      Psycholeptics; Systemic Antihistamines

    • Originator   :   

      Sanofi Aventis

    • CAS No.    :   


    • Trade Name.   :   


    • Molecular Weight   :   

      501.68 g/mol

    • Molecular Formula   :   



    Fexofenadine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, sneezing, hives, and itching. It works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction.

    General Description

    Fexofenadine, sold under the trade name Allegra among others[1] is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever and urticaria.[4] Therapeutically, fexofenadine is a selective peripheral H1-blocker. Fexofenadine is classified as a second-generation antihistamine because it is less able to pass the blood–brain barrier and cause sedation, compared to first-generation antihistamines.[5][6] It has also been called a third-generation antihistamine, although there is some controversy associated with the use of the term.

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