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Hypervitaminosis D

Definition

Hypervitaminosis D is a condition that occurs after taking excessive doses of vitamin D.

Alternative Names

Vitamin D toxicity

Causes, incidence, and risk factors

An excess of vitamin D causes abnormally high levels of calcium in the blood, which can eventually severely damage the bones, soft tissues, and kidneys. It is almost always caused by forms of vitamin D that require a doctor's prescription.

Symptoms

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

Calling your health care provider

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

Prevention

To prevent this condition, pay careful attention to the correct vitamin D dose.


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