title: Histamine and anti-histamine products in the treatment of lower half headache.
mesh_terms: D018926:Anti-Allergic Agents; D006261:Headache / Q000628:therapy*; D006632:Histamine; D006633:Histamine Antagonists; D006801:Humans
chemical_list: D018926:Anti-Allergic Agents; D006633:Histamine Antagonists; D006632:Histamine
keywords: HEADACHE/therapy; HISTAMINE/antagonists