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Hypervitaminosis D

Contents of this page:

Alternative Names   

Vitamin D toxicity

Definition    Return to top

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

Causes    Return to top

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    Return to top

Exams and Tests    Return to top

Tests to confirm the diagnosis:

Treatment    Return to top

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

Outlook (Prognosis)    Return to top

Recovery is expected.

Possible Complications    Return to top

When to Contact a Medical Professional    Return to top

Call your health care provider if you or your child show symptoms of hypervitaminosis D and 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    Return to top

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

Update Date: 12/6/2007

Updated by: Nancy J. Rennert, M.D., Chief of Endocrinology Diabetes, Norwalk Hospital, Associate Clinical Professor of Medicine, Yale University School of Medicine, New Haven, CT. Review provided by VeriMed Healthcare Network.

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