Ritanserin is not effective in tension headache.
Ansink
B J
BJ
Hartman
J W
JW
Smakman
J G
JG
D004311:Double-Blind Method; D006261:Headache / Q000188:drug therapy*; D006801:Humans; D016713:Ritanserin / Q000627:therapeutic use*
D016713:Ritanserin