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Alternative NamesVitamin 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.