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<div class="HwContainer HwElement" id="HwContainer"><a class="HwMainSkipNavigation" href="#HwContentTitle"><span class="HwAccessibilityText">Skip Navigation</span></a><div class="HwBlock" id="HwMain" role="main"><div class="HwRow"><div class="HwColumn" id="HwColumnSidebar1"><div class="HwCustom" id="HwCustomSidebar"> </div></div><div class="HwColumn" id="HwColumnContent"><div id="HwContentTop"> </div><div class="HwTypeFocus HwContentWrapper HwElement" role="article" id="HwContentWrapper"><div class="HwCustom" id="HwCustomContentTop"> </div><div class="HwContentHeader"><p><a name="top" id="Hwtop"><span class="HwAccessibilityText">Top of the page</span></a> </p></div><div class="HwContentTitle"><h1 id="HwContentTitle" tabindex="-1">Vitamin B6 for Morning Sickness</h1></div><div class="HwContentTopNavigation"> </div><div class="HwContent"><div class="HwNavigationSection HwSectionSpecialSection" id="sec-tn9126-sec"><h2 class="HwSectionTitle" fingerprint="b4cb0a40" fingerprint-exact="e7c3d1bb">Overview</h2> <p fingerprint="524efb31" fingerprint-exact="81906f3c">Vitamin B6 can be used alone or with doxylamine to improve nausea and vomiting from <a class="HwLinkDefinition" data-hw-type="Definition" data-hw-document-href="stm159600" data-hw-section="stm159600-sec" rel="Definition" hw:document-type="Definition" hw:document-href="stm159600" data-hwid="stm159600" hw:section-href="stm159600-sec" href="?id=stm159600#stm159600-sec"><span class="HwLinkText">morning sickness</span></a>. There has been no sign of harm to the fetus with vitamin B6 use.<sup class="Reference"><a class="HwLinkReference" data-hw-type="Focus" data-hw-document-href="tn9126" data-hw-section="tn9126-Bib" rel="cite1-Cit" hw:document-type="Focus" hw:document-href="tn9126" data-hwid="tn9126" hw:section-href="tn9126-Bib" hw:name-href="cite1" href="?id=tn9126#tn9126-Bib"><span class="HwAccessibilityText">footnote </span>1</a></sup></p> <p fingerprint="641ce2c2" fingerprint-exact="b913c3e5">A typical dose of vitamin B6 for morning sickness is 10 mg to 25 mg, 3 times a day.<sup class="Reference"><a class="HwLinkReference" data-hw-type="Focus" data-hw-document-href="tn9126" data-hw-section="tn9126-Bib" rel="cite2-Cit" hw:document-type="Focus" hw:document-href="tn9126" data-hwid="tn9126" hw:section-href="tn9126-Bib" hw:name-href="cite2" href="?id=tn9126#tn9126-Bib"><span class="HwAccessibilityText">footnote </span>2</a></sup></p> <p fingerprint="042db9d4" fingerprint-exact="6258d527">Talk to your doctor or midwife before you take vitamin B6 for morning sickness.</p> <p fingerprint="519fdb2c" fingerprint-exact="f6aeb658">Don't take more than 200 mg a day without talking with your doctor or midwife.</p> </div><div class="HwNavigationSection HwSectionRelatedInformation" id="sec-tn9126-RelInfo"><h2 class="HwSectionTitle" fingerprint="d5f858e0" fingerprint-exact="c0ffe04b">Related Information</h2><ul fingerprint="c81e76e0" fingerprint-exact="8bc6028b"><li class="HwOptionalAny"><a data-hw-type="Actionset" data-hw-document-href="tn9083" data-hw-section="tn9084" hw:document-type="Actionset" hw:document-href="tn9083" data-hwid="tn9083" hw:section-href="tn9084" href="?id=tn9083#tn9084">Pregnancy: Dealing With Morning Sickness</a></li></ul></div><div class="HwNavigationSection HwSectionReferences" id="sec-tn9126-Bib"><h2 class="HwSectionTitle">References</h2> <blockquote> <h3 class="HwSubSectionTitle">Citations</h3> <ol> <li> <a name="cite1"> </a>Festin M (2014). Nausea and vomiting in early pregnancy. <i>BMJ Clinical Evidence</i>. http://clinicalevidence.bmj.com/x/pdf/clinical-evidence/en-gb/systematic-review/1405.pdf. Accessed June 23, 2014.</li> <li> <a name="cite2"> </a>Committee on Obstetric Practice (2018). Nausea and vomiting of pregnancy. ACOG Practice Bulletin No. 189. <i>Obstetrics and Gynecology</i>, 131(1): e15–e30. DOI: 10.1097/AOG.0000000000002456. Accessed July 18, 2018.</li> </ol> </blockquote> </div><div class="HwNavigationSection HwCreditsSection HwCreditsWithoutNavstack HwSectionCredits" id="sec-tn9126-Credits"><h2 class="HwSectionTitle">Credits</h2><div class="HwContentInformation"><div class="HwLastUpdated"><p><span class="HwInfoLabel">Current as of: </span> July 15, 2025</p></div><div class="HwCredits"><p><span class="HwInfoLabel">Author: </span><a class="HwLinkExternal" href="https://www.healthwise.org/specialpages/legal/abouthw/en" title="Opens in a new window"><span class="HwLinkText">Ignite Healthwise, LLC Staff</span></a><br><span><b><a class="HwLinkExternal" href="https://www.healthwise.org/specialpages/legal/abouthw/en" title="Opens in a new window"><span class="HwLinkText">Clinical Review Board</span></a></b></span><br>All Ignite Healthwise, LLC education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.</p></div></div></div></div><div class="HwCustom" id="HwCustomContentBottom"> </div><div class="HwContentNavigation"><div class="HwSectionNavItem" style="display:block" id="secNav-tn9126-sec"><div class="HwContentNavigationNone"> </div><div class="HwContentNavigationTop"><a href="#top">Top of the page</a></div><div class="HwContentNavigationNext"><p>Next Section: </p><a class="HwLinkNavstack" data-hw-type="Focus" data-hw-document-href="tn9126" data-hw-section="tn9126-RelInfo" id="nextLink-tn9126-RelInfo" hw:document-type="Focus" hw:document-href="tn9126" data-hwid="tn9126" hw:section-href="tn9126-RelInfo" href="?id=tn9126#tn9126-RelInfo">Related Information</a><span class="HwNavLinkArrow" aria-hidden="true"> »</span></div><div class="HwClear"> </div></div><div class="HwSectionNavItem" style="display:none" id="secNav-tn9126-RelInfo"><div class="HwContentNavigationPrev"><p>Previous Section: </p><span class="HwNavLinkArrow" aria-hidden="true">« </span><a 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nurses, advanced practitioners, registered dieticians, and other healthcare professionals.</p></div></div><div class="HwCitations" style="display:none;"><div class="HwCitation" id="cite1-Cit">Festin M (2014). Nausea and vomiting in early pregnancy. <i>BMJ Clinical Evidence</i>. http://clinicalevidence.bmj.com/x/pdf/clinical-evidence/en-gb/systematic-review/1405.pdf. Accessed June 23, 2014.</div><div class="HwCitation" id="cite2-Cit">Committee on Obstetric Practice (2018). Nausea and vomiting of pregnancy. ACOG Practice Bulletin No. 189. <i>Obstetrics and Gynecology</i>, 131(1): e15–e30. DOI: 10.1097/AOG.0000000000002456. Accessed July 18, 2018.</div></div></div></div><div class="HwColumn" id="HwColumnSidebar2"><div class="HwCustom" id="HwCustomNavigationTop"> </div><div class="HwElement" id="HwNavigationWrapper"><div class="HwNavigation" id="HwNavigation" role="navigation"><h3 class="HwNavStackHeader" id="HwNavStackHeader">Topic Contents</h3><ul aria-labelledby="HwNavStackHeader"><li id="nav-tn9126-sec"><a class="HwLinkNavstack" data-hw-type="Focus" data-hw-document-href="tn9126" data-hw-section="tn9126-sec" hw:document-type="Focus" hw:document-href="tn9126" data-hwid="tn9126" hw:section-href="tn9126-sec" href="?id=tn9126#tn9126-sec">Overview</a></li><li id="nav-tn9126-RelInfo"><a class="HwLinkNavstack" data-hw-type="Focus" data-hw-document-href="tn9126" data-hw-section="tn9126-RelInfo" hw:document-type="Focus" hw:document-href="tn9126" data-hwid="tn9126" hw:section-href="tn9126-RelInfo" href="?id=tn9126#tn9126-RelInfo">Related Information</a></li><li id="nav-tn9126-Bib"><a class="HwLinkNavstack" data-hw-type="Focus" data-hw-document-href="tn9126" data-hw-section="tn9126-Bib" hw:document-type="Focus" hw:document-href="tn9126" data-hwid="tn9126" hw:section-href="tn9126-Bib" href="?id=tn9126#tn9126-Bib">References</a></li><li id="nav-tn9126-Credits"><a class="HwLinkNavstack" data-hw-type="Focus" data-hw-document-href="tn9126" data-hw-section="tn9126-Credits" hw:document-type="Focus" hw:document-href="tn9126" data-hwid="tn9126" hw:section-href="tn9126-Credits" href="?id=tn9126#tn9126-Credits">Credits</a></li></ul></div></div><div class="HwNavigationWrapper HwNavigationEmpty"> </div><div class="HwCustom" id="HwCustomNavigationBottom"> </div></div></div></div><div class="HwBlock" id="HwFooter"><div class="HwRow"><div class="HwCustom HwColumn" id="HwCustomFooterLeft"> </div><div class="HwColumn" id="HwFooterLegal"><div class="HwLegal HwElement" role="contentinfo"><div class="HwLogo"><a class="HwLinkExternal" href="https://www.healthwise.org/specialpages/legal/abouthw/en"><img class="HwNoHcMode" data-hw-resource-path="media/interface/hwlogo.png" alt="Click here to learn about Ignite Healthwise, LLC" src="https://ixbapi.healthwise.net/Resource/14.6/en-us/media/interface/hwlogo.png" hw:resource-path="media/interface/hwlogo.png" hw:release-quarter="14.6"><img class="HwHcMode" data-hw-resource-path="media/interface/hwlogo_hc.png" alt="Click here to learn about Ignite Healthwise, LLC" src="https://ixbapi.healthwise.net/Resource/14.6/en-us/media/interface/hwlogo_hc.png" hw:resource-path="media/interface/hwlogo_hc.png" hw:release-quarter="14.6"></a></div><div class="HwDisclaimer"><p>This information does not replace the advice of a doctor. 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