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Antihistamiine

Antihistamine

BrandGenericActionUses
Phenergan promethazine Acts on blood vessels, GI, respiratory system by competing with histamine for h1­receptor site; decreases allergic response by blocking histamine. Motion sickness, rhinitis
Zyrtec cetirizine Acts on blood vessels, GI, respiratory system by competing with histamine for H1­receptor site; decreases allergic response by blocking pharmacologic effects of histamine; minimal anticholinergic/sedative action allergic rhinitis, hives
Clarinex desloratadine Binds to peripheral histamine receptors, providing antihistamine action without sedation; decreased nasal stuffiness, itching, swollen eyes seasonal allergic rhinitis
Dramamine meclizine acts centrally by blocking chemoreceptor trigger zone, which in turn acts on vomiting center Vertigo, motion sickness
Created by: Catalina O