metoclopramide was superior to placebo and to prochlorperazine in reducing the volume of emesis ( p = 0.001 and p = 0.022 , respectively ) and was more effective than placebo in shortening the duration of nausea ( p = 0.042 ) and vomiting ( p = 0.028 ) .
C0033229
prochlorperazine
C0027497
nausea