title: Symposium: Questioning the efficacy and safety of antihistamines in the treatment of upper respiratory infection. Introduction.
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D003139:Common Cold / Q000150:complications / Q000188:drug therapy*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D012141:Respiratory Tract Infections / Q000188:drug therapy* / Q000209:etiology
chemical_list: D006634:Histamine H1 Antagonists