Vitamin D

DRUG INFORMATION

  ADULT
    - Hypoparathyroidism: 50,000 to 200,000 USP units daily concomitantly with calcium
      lactate 4 g, six times per day.
      Source: US FDA label for vitamin d (Vitamin D), section 'dosage and
      administration', retrieved 2026-08-29
    - THE RANGE BETWEEN THERAPEUTIC AND TOXIC DOSES IS NARROW. Vitamin D Resistant
      Rickets: 12,000 to 500,000 USP units daily. Hypoparathyroidism: 50,000 to 200,000
      USP units daily concomitantly with calcium lactate 4 g, six times per day. DOSAGE
      MUST BE INDIVIDUALIZED UNDER CLOSE MEDICAL SUPERVISION. Calcium intake should be
      adequate. Blood calcium and phosphorous determinations must be made every 2 weeks
      or more frequently if necessary.
      Source: US FDA label for vitamin d (Vitamin D), section 'dosage and
      administration', retrieved 2026-08-29

  CHILD
    - No child dose in this label. That usually means untested in children, not
      unsuitable - use a paediatric source.
      Source: Read and found silent: the US FDA label for vitamin d (Vitamin D),
      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 vitamin d (Vitamin D),
      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 vitamin d (Vitamin D),
      retrieved 2026-08-29

  PREGNANCY
    - Nothing on pregnancy in this label. Treat as unknown, not as safe.
      Source: Read and found silent: the US FDA label for vitamin d (Vitamin D),
      retrieved 2026-08-29

  BREASTFEEDING
    - Nothing on breastfeeding in this label. Treat as unknown, not as safe.
      Source: Read and found silent: the US FDA label for vitamin d (Vitamin D),
      retrieved 2026-08-29