From Citizendium - Reading time: 1 min
In medicine, antiemetic agents are medications to "prevent nausea or vomiting. Antiemetics act by a wide range of mechanisms. Some act on the medullary control centers (the vomiting center and the chemoreceptive trigger zone) while others affect the peripheral receptors."[1]
In a randomized controlled trial that compared droperidol, metoclopramide, and prochlorperazine, droperidol was more effective but also caused more self-reported psychomotor agitation.[2]
In a randomized controlled trial ondansetron and droperidol were similar.[3]