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You should not use Calcitriol capsules if you:

  • are allergic to calcitriol or Vitamin D metabolites such as alfacalcidol and colecalciferol. or any ingredient in Calcitriol
  • are pregnant or are breastfeeding, without discussion with your doctor
  • a disease associated with high levels of calcium (hypercalcaemia)
  • metastatic calcification (extra deposits of calcium)
  • have high levels of Vitamin D
  • are taking medicines that interact with Calcitriol, including any other Vitamin D containing medications, thiazide diuretics, digoxin for heart disease, medicines containing magnesium, like antacids for indigestion, the anticonvulsants phenytoin and phenobarbital, cholestyramine for high cholesterol, corticosteroids like hydrocortisone and prednisolone.