Home Medical Encyclopedia Disease H Hypervitaminosis D

Hypervitaminosis D

Alternative Names: Vitamin D toxicity

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

Causes of Hypervitaminosis D

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.

Hypervitaminosis D Symptoms

Tests and Exams

Tests to confirm the diagnosis:

Treatment of Hypervitaminosis D

Stop taking vitamin D. Consult your physician. In severe cases, other treatment may be necessary.

Prognosis (Outlook)

Recovery is expected.

Potential Complications

  • Dehydration
  • Hypercalcemia
  • Kidney damage
  • Kidney stones

When to Contact a Health Professional

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 of Hypervitaminosis D

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

Learn more about Hypervitaminosis D

Review Date: 11/23/2009
Reviewed By: Ari S. Eckman, MD, Division of Endocrinology and Metabolism, Johns Hopkins School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
Do not use this information for medical emergencies - Call 911. This information should not be used for the diagnosis or treatment of any medical condition. A licensed medical practitioner should always be consulted for diagnosis and treatment of any and all medical conditions. Links to other websites do not constitute endorsements and are provided for information only. Any duplication or distribution of this information is strictly prohibited.
Copyright 2011 A.D.A.M., Inc.
(web3)