Vitamin D2 Other names: Ergocalciferol

Chemical formula: C₂₈H₄₄O  Molecular mass: 396.648 g/mol  PubChem compound: 5280793

Pregnancy

There are no adequate data on the use of ergocalciferol in pregnant women. Ergocalciferol Injection should not be used in pregnancy unless the potential benefit outweighs the potential hazards to the foetus.

Animal studies have shown foetal abnormalities associated with hypervitaminosis D. Calcifediol and calcitriol are teratogenic in animals when given in doses several times the human dose. The offspring of a woman administered 17-144 times the recommended dose of calcitriol during pregnancy manifested mild hypercalcaemia in the first 2 days of life, which returned to normal at day 3.

Nursing mothers

Ergocalciferol is excreted in breast milk in limited amounts. In a mother given large doses of Ergocalciferol, 25-hydroxycholecalciferol appeared in the milk and caused hypercalcaemia in the child. Monitoring of the infants serum calcium is required in such cases. Ergocalciferol should not be administered to breast-feeding mothers.

Effects on ability to drive and use machines

Ergocalciferol may cause drowsiness and, if affected, patients should not drive or operate machinery.

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