“…Regarding emesis, 8 studies analyzed the acute stage (14,18,(21)(22)24,(27)(28)34) ; of these, 6 (19,23,25,28,34) observed the therapeutic effect of ginger, but only 2 had significant results considering significance level of 5% (p = 0.002 (29) ; p = 0.04 (35) ). Regarding the influence on the control of nausea and vomiting in the delayed phase, 6 studies (15)(16)(22)(23)(28)(29) analyzed delayed nausea, 4 observed advantages in the use of ginger (15,22,(27)(28) . Of the investigations, 3 had significant results (p < 0.001 (16,23,29) ).…”