Vitamin B6 for Morning Sickness

Topic Overview

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 morning sickness.

Intake of more than 100 mg a day of vitamin B6 can cause temporary nerve damage.

References

Citations

  1. 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.
  2. Committee on Obstetric Practice (2018). Nausea and vomiting of pregnancy. ACOG Practice Bulletin No. 189. Obstetrics and Gynecology, 131(1): e15–e30. DOI: 10.1097/AOG.0000000000002456. Accessed July 18, 2018.

Credits

Current as of: June 16, 2021

Author: Healthwise Staff
Medical Review:
Sarah Marshall MD - Family Medicine
Adam Husney MD - Family Medicine
Kathleen Romito MD - Family Medicine
Kirtly Jones MD - Obstetrics and Gynecology

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