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 27, 2023.

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.

See references

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 references

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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