TY - JOUR T1 - Ginger was equivalent to pyridoxine hydrochloride (vitamin B6) for reducing nausea and vomiting in pregnancy JF - Evidence Based Medicine JO - Evid Based Med SP - 14 LP - 14 DO - 10.1136/ebm.10.1.14 VL - 10 IS - 1 A2 - , Y1 - 2005/02/01 UR - http://ebm.bmj.com/content/10/1/14.abstract N2 - Smith C, Crowther C, Willson K, et al. A randomized controlled trial of ginger to treat nausea and vomiting in pregnancy. Obstet Gynecol 2004;103:639–45.OpenUrlPubMedWeb of Science 
 
 Q In pregnant women who experience nausea and vomiting, is ginger equivalent to pyridoxine hydrochloride (vitamin B6) for controlling symptoms? Clinical impact ratings FP/GP/Obstetrics ★★★★★★☆ Obstetrics ★★★★★☆☆ Design: randomised controlled equivalence trial. Allocation: concealed.* Blinding: blinded (patients, healthcare providers, and data collectors).* Follow up period: 3 weeks. Setting: a hospital in Adelaide, South Australia, Australia. Patients: 291 women who were 8–16 weeks pregnant (confirmed by ultrasonography). Exclusion criteria: signs of clinical dehydration, allergy to ginger or pyridoxine, or suspicion that symptoms were not related to pregnancy. Intervention: women were allocated to ginger, 350 mg capsule 3 times daily (n = 146), or pyridoxine, 25 mg capsule 3 times daily (n = 145), for 3 weeks. Outcomes: nausea, dry retching, and vomiting (Rhodes Index of Nausea and Vomiting … ER -