Cyanocobalamin

DRUG INFORMATION

  ADULT
    - A dose of 100 mcg daily for six or seven days should be administered by
      intramuscular or deep subcutaneous injection.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'dosage and
      administration', retrieved 2026-08-29
    - Schilling Test The flushing dose is 1,000 mcg.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'dosage and
      administration', retrieved 2026-08-29
    - Avoid using the intravenous route. Use of this product intravenously will result
      in almost all of the vitamin being lost in the urine. Pernicious Anemia Parenteral
      Vitamin B 12 is the recommended treatment and will be required for the remainder
      of the patient's life. The oral form is not dependable. A dose of 100 mcg daily
      for six or seven days should be administered by intramuscular or deep subcutaneous
      injection.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'dosage and
      administration', retrieved 2026-08-29

  CHILD
    - Intake in children should be in the amount (0.5 to 3 mcg daily) recommended by the
      Food and Nutrition Board, National Academy of Science-National Research Council.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'pediatric use',
      retrieved 2026-08-29

  RENAL IMPAIRMENT
    - No kidney-impairment dose in this label. Not a statement that none is needed.
      Source: Read and found silent: the US FDA label for cyanocobalamin
      (cyanocobalamin), retrieved 2026-08-29

  HEPATIC IMPAIRMENT
    - No liver-impairment dose in this label. Not a statement that none is needed.
      Source: Read and found silent: the US FDA label for cyanocobalamin
      (cyanocobalamin), retrieved 2026-08-29

  PREGNANCY
    - Adequate and well-controlled studies have not been done in pregnant women.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'pregnancy',
      retrieved 2026-08-29
    - However, Vitamin B 12 is an essential vitamin and requirements are increased
      during pregnancy.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'pregnancy',
      retrieved 2026-08-29
    - Amounts of Vitamin B 12 that are recommended by the Food and Nutrition Board,
      National Academy of Science-National Research Council for pregnant women (4 mcg
      daily) should be consumed during pregnancy.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'pregnancy',
      retrieved 2026-08-29

  BREASTFEEDING
    - Vitamin B 12 is known to be excreted in human milk.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'nursing
      mothers', retrieved 2026-08-29
    - Amounts of Vitamin B 12 that are recommended by the Food and Nutrition Board,
      National Academy of Science-National Research Council for lactating women (4 mcg
      daily) should be consumed during lactation.
      Source: US FDA label for cyanocobalamin (cyanocobalamin), section 'nursing
      mothers', retrieved 2026-08-29