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  1. Vitamin D - Mayo Clinic

    Mar 21, 2025 · Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy. The body can absorb calcium only if it has enough vitamin D. Calcium is a …

  2. Vitamin D toxicity: What if you get too much? - Mayo Clinic

    Feb 20, 2025 · Vitamin D toxicity is a rare condition that happens when too much vitamin D is in the body. The condition can have serious effects on health. Another name for it is …

  3. Vitamin D deficiency - Mayo Clinic

    May 10, 2025 · And a vitamin D deficiency is a risk for people who follow an eating pattern that doesn't include foods with vitamin D or for people who have limited sun exposure. Foods high …

  4. Cholecalciferol (oral route) - Side effects & dosage - Mayo Clinic

    Oct 1, 2025 · For vitamin D deficiency: For oral dosage form (capsules):Adults—One capsule containing 5000 international units (IU) once a day.Children—Use and dose must be …

  5. Ergocalciferol (oral route) - Side effects & dosage

    May 1, 2025 · Ergocalciferol oral liquid is a dietary supplement that is used to treat vitamin D deficiency. This medicine is available both over-the-counter (OTC) and with your doctor's …

  6. Calcipotriene (topical route) - Side effects & dosage

    Feb 1, 2025 · Description Calcipotriene is used to treat plaque psoriasis of the skin and scalp. It is a form of vitamin D that works by changing how the skin cells are made in the areas affected …

  7. Vitamin D deficiency: Can it cause high blood pressure?

    Feb 26, 2025 · A vitamin D deficiency means you don't have enough vitamin D in your body. Too little of vitamin D makes bones weak. But the link between vitamin D and blood pressure isn't …

  8. Calcium and calcium supplements: Achieving the right balance

    Nov 1, 2022 · Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.

  9. Hypercalcemia - Symptoms and causes - Mayo Clinic

    Mar 8, 2024 · Other causes of hypercalcemia include cancer, certain other medical conditions and some medicines. Taking too much of calcium and vitamin D supplements also can cause …

  10. Phenytoin (oral route) - Side effects & dosage

    Oct 1, 2025 · Vitamin D deficiency—Use with caution. May make these conditions worse. Hypoalbuminemia (low albumin in the blood) or Kidney disease or Liver disease—Use with …