DHE45 for severe itching.
D001659:Biliary Tract; D001661:Biliary Tract Neoplasms; D004087:Dihydroergotamine; D004876:Ergot Alkaloids / Q000627:therapeutic use*; D011537:Pruritus / Q000628:therapy*
D004876:Ergot Alkaloids; D004087:Dihydroergotamine
BILIARY TRACT/neoplasms; ERGOT ALKALOIDS/therapeutic use; PRURITUS/therapy