title: [Are antihistamines really useless in allergic asthma?].
mesh_terms: D000707:Anaphylaxis / Q000188:drug therapy; D001249:Asthma / Q000188:drug therapy* / Q000276:immunology*; D004357:Drug Synergism; D004359:Drug Therapy, Combination; D006633:Histamine Antagonists / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D020024:Leukotriene Antagonists / Q000627:therapeutic use*; D017211:Treatment Failure; D016896:Treatment Outcome
chemical_list: D006633:Histamine Antagonists; D006634:Histamine H1 Antagonists; D020024:Leukotriene Antagonists