Agents which inhibit histamine-mediated reactions.
D004205:Cromolyn Sodium / Q000627:therapeutic use; D006633:Histamine Antagonists / Q000627:therapeutic use*; D006636:Histamine Release / Q000187:drug effects; D006801:Humans; D011968:Receptors, Histamine / Q000378:metabolism; D012867:Skin / Q000378:metabolism; D014581:Urticaria / Q000188:drug therapy*
D006633:Histamine Antagonists; D011968:Receptors, Histamine; D004205:Cromolyn Sodium