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Hypervitaminosis D

Definition

Hypervitaminosis D is a condition that occurs after taking very high 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. 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.

Symptoms

Signs and tests

Tests to confirm the diagnosis:

Treatment

Stop taking vitamin D. Talk to your health care provider. In severe cases, other treatment may be needed.

Support Groups

Expectations (prognosis)

Recovery is expected.

Complications

  • Dehydration
  • Hypercalcemia
  • 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 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.

Media

    Encyclopedia content is provided as information only and not intended to replace the advice and instruction from your personal physician.