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Hypervitaminosis DDefinition: Hypervitaminosis D symptoms appear several months after excessive doses of vitamin D are administered.
Alternative Names: Vitamin D toxicity
Causes, incidence, and risk factors: An excess of vitamin D causes abnormally high blood concentrations of calcium, which can eventually cause severe damage to the bones, soft tissues, and kidneys. It is almost always associated with forms of vitamin D that require a doctor's prescription.
Signs and tests: Tests to confirm the diagnosis:
Treatment: Stop taking vitamin D. Consult your physician. In severe cases, other treatment may be necessary.
Expectations (prognosis): Recovery is expected.
Complications: - Kidney damage
- Kidney stones
Calling your health care provider: Call your health care provider if you or your child shows symptoms of hypervitaminosis D, and you have been taking vitamin D in excess of the recommended daily allowance. Also call if you or your child show symptoms and you have been taking a prescription form of vitamin D.
Prevention: To prevent this condition, pay careful attention to the correct vitamin D dose.
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| Review Date: 2/27/2006
Reviewed By: Robert Hurd, MD, Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network.
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