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Definition:
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Hypervitaminosis D is a condition that occurs after taking very high doses of vitamin D.
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Alternative Names:
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Vitamin D toxicity
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Causes, incidence, and risk factors:
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An excess of vitamin D causes abnormally high levels of calcium in the blood. This can severely damage the bones, soft tissues, and kidneys over time. It is almost always caused by forms of vitamin D that need a doctor's prescription.
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Signs and tests:
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Tests to confirm the diagnosis:
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Treatment:
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Stop taking vitamin D. Talk to your health care provider. In severe cases, other treatment may be needed.
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Expectations (prognosis):
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Recovery is expected.
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Complications:
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- Dehydration
- Hypercalcemia
- Kidney damage
- Kidney stones
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Calling your health care provider:
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Call your health care provider if:
- You or your child shows symptoms of hypervitaminosis D and has been taking more vitamin D than the recommended daily allowance
- You or your child shows symptoms and has been taking a prescription form of vitamin D
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Prevention:
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To prevent this condition, pay careful attention to the correct vitamin D dose.
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