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Studies suggest that taking vitamin B6 for
morning sickness greatly improves nausea, though not vomiting, for many pregnant women. There
has been no sign of harm to the fetus with vitamin B6 use.footnote 1
A typical dose of vitamin B6 for morning sickness is 10 mg to
25 mg, 3 times a day.footnote 2
Talk to your health professional before you take vitamin B6 for
Intake of more than 100 mg a day
of vitamin B6 can cause temporary nerve damage.
Health Tools help you make wise health decisions or take action to improve your health.
Festin M (2014). Nausea and vomiting in early pregnancy. BMJ Clinical Evidence. http://clinicalevidence.bmj.com/x/pdf/clinical-evidence/en-gb/systematic-review/1405.pdf. Accessed June 23, 2014.
Kelly TF, Savides TJ (2009). Gastrointestinal disease in pregnancy. In RK Creasy et al., eds., Creasy and Resnik's Maternal-Fetal Medicine: Principles and Practice, 6th ed., pp. 1041-1057. Philadelphia: Saunders Elsevier.
ByHealthwise StaffPrimary Medical ReviewerSarah Marshall, MD - Family MedicineSpecialist Medical ReviewerKirtly Jones, MD - Obstetrics and Gynecology
Current as ofMarch 16, 2017
Current as of:
March 16, 2017
Sarah Marshall, MD - Family Medicine
& Kirtly Jones, MD - Obstetrics and Gynecology
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