title: Allergic headaches.
mesh_terms: D003888:Desensitization, Immunologic; D005512:Food Hypersensitivity / Q000150:complications; D006261:Headache / Q000145:classification / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D006967:Hypersensitivity / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D011379:Prognosis
chemical_list: D006634:Histamine H1 Antagonists