The American College of Obstetrics and Gynecology (ACOG) recommends supplementing 10 to 25 milligrams (mg) of vitamin B6 three to four times daily for pregnancy-related nausea and vomiting.
Pooled data from 7 RCTs that assessed the effectiveness of various antihistamines found that they significantly reduce vomiting (relative ... have higher levels of nausea. In this study, 40 ...