Overview
       Vitamin B6 can be used alone or with doxylamine to improve nausea and vomiting from morning sickness. 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 doctor or midwife before you take vitamin B6 for morning sickness.
       Don't take more than 200 mg a day without talking with your doctor or midwife.
       
      
      
       References
       
        Citations
        
         -  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.
 
         -  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:  July 15, 2025
         
        
        
       
      
     
     
     
     
      
       Current as of: July 15, 2025
       
      
      
     
      
       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.
      
      
       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.