You should not use cholecalciferol if you have had an allergic reaction to vitamin D, or if you have:
- high levels of vitamin D in your body (hypervitaminosis D);
- high levels of calcium in your blood (hypercalcemia); or
- any condition that makes it hard for your body to absorb nutrients from food (malabsorption).
Tell your doctor if you have ever had:
- heart disease;
- kidney disease; or
- an electrolyte imbalance.