Blood levels should be monitored while someone is taking high doses of vitamin D.Īs always, talk to your doctor before taking vitamin and mineral supplements. Recommended Dietary Allowance (RDA) for most adults of 600 IU of vitamin D a day.ĭoses higher than the RDA are sometimes used to treat medical problems such as vitamin D deficiency, but these are given only under the care of a doctor for a specified time frame. This level is many times higher than the U.S. In a 2016 study in the North American Journal of Medical Sciences, participants took 50,000 to 100,000 IU of vitamin D per week without a significant change in blood calcium levels. Taking 60,000 international units (IU) a day of vitamin D for several months has been shown to cause toxicity.

Your doctor might also prescribe intravenous fluids and medications, such as corticosteroids or bisphosphonates. Treatment includes stopping vitamin D intake and restricting dietary calcium. Vitamin D toxicity might progress to bone pain and kidney problems, such as the formation of calcium stones. The main consequence of vitamin D toxicity is a buildup of calcium in your blood (hypercalcemia), which can cause nausea and vomiting, weakness, and frequent urination. Gold Standard Drug Database in ClinicalKey. Ergocalciferol Liquid (Virtus Pharmaceuticals). Ergocalciferol Injection BP 300,000 U (RPH Pharmaceuticals AB). Drisdol Capsule, Liquid Filled (Validus Pharmaceuticals LLC). Calciferol Capsules (British Dispensary Health Care). after intake of an oral dose of 50,000 IU of vitamin. But if vitamin D2 is used the levels with the same dosage does not reach the normal of 30 ng/mL in the 3 month period. Wolters Kluwer Clinical Drug Information, Inc. Vitamin D (vitamin D2 and vitamin D3) from the diet and skin. One protocol suggests 50,000 IU of vitamin D3 orally once weekly for 2 to 3 months, or 3 times weekly for 1 month. Ergocalciferol is used to treat hypoparathyroidism (decreased functioning of the parathyroid glands). Vitamin D helps your body absorb calcium. American Society of Health-System Pharmacists, Inc. What is ergocalciferol Ergocalciferol is vitamin D2.

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