Benadryl in histamine headache.
D003027:Cluster Headache; D004155:Diphenhydramine / Q000627:therapeutic use*; D006261:Headache / Q000628:therapy*; D006632:Histamine; D006801:Humans
D006632:Histamine; D004155:Diphenhydramine
DIPHENHYDRAMINE/therapeutic use; HEADACHE/therapy