Cyanocobalamin Pregnancy and Breastfeeding Warnings
Brand names: B-12, B-12 Dots, B-12 Resin, Big Shot B-12, CaloMist, Cobal 1000, Cobolin-M, Crystal B-12, Crystamine, Crysti-12, Cyanoject, Cyomin, Depo-Cobolin, Dodex, Eligen B12, LA-12, Nascobal, Neuroforte-R, Rubesol-1000, Sytobex, Twelve Resin-K, Vibal, Vita #12, Vitabee 12, Vitamin B12
Medically reviewed by Drugs.com. Last updated on Nov 26, 2024.
Cyanocobalamin Pregnancy Warnings
This drug should not be used during pregnancy unless the benefit outweighs the risk to the fetus. (AU)
AU TGA pregnancy category: Exempt
US FDA pregnancy category: C
Comments:
-Vitamin B12 needs are increased in pregnancy.
-Megaloblastic anemia of pregnancy is usually due to folic acid deficiency.
-Do not use for megaloblastic anemia of pregnancy due to folic acid deficiency.
Cyanocobalamin Breastfeeding Warnings
Use is not recommended; benefit to mother should outweigh risk to the infant. (AU)
Excreted into human milk: Yes
Comments:
-Vitamin B12 needs are increased in lactation.
-Deficiency has been seen in breast fed children of vegetarian mothers, even with no symptoms of maternal deficiency.
-Four micrograms daily of B12 are recommended during lactation.
See also
References for pregnancy information
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
- Cerner Multum, Inc. "Australian Product Information."
- Allen LH (2005) "Multiple micronutrients in pregnancy and lactation: an overview." Am J Clin Nutr, 81(S), 1206S-12S
- (2017) "Product Information. Cyanocobalamin (cyanocobalamin)." West Ward Pharmaceutical Corporation
References for breastfeeding information
- Ehrlich A, Koch T, Amin B, et al. (2006) "Development and reliability testing of a standardized questionnaire to assess psoriasis phenotype." J Am Acad Dermatol, 54, 987.e1-14
- Cerner Multum, Inc. "Australian Product Information."
- (2017) "Product Information. Nascobal (cyanocobalamin)." Par Pharmaceutical Inc
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.