Prophylactic effect of benadryl on experimental histamine headache.
D003027:Cluster Headache; D004155:Diphenhydramine; D006261:Headache; D006632:Histamine
D006632:Histamine; D004155:Diphenhydramine
BENADRYL/in histamine headaches; HISTAMINE HEADACHE/effect of benadryl