Hypervitaminosis D

Hypervitaminosis D

Hypervitaminosis D is a medical condition that occurs due to the excessive intake or overexposure to Vitamin D. This condition is relatively rare but potentially serious.

Pronunciation

The term Hypervitaminosis D is pronounced as "hyper-vitamin-osis-dee".

Etymology

The term Hypervitaminosis D is derived from the Greek words "hyper" meaning over, "vitamin" referring to vitamin, and "osis" meaning condition. The "D" refers to the specific vitamin that is in excess in the body.

Symptoms

The symptoms of Hypervitaminosis D can vary but often include nausea, vomiting, anorexia, weight loss, polyuria, and heart arrhythmias. More severe symptoms can include kidney damage and heart failure.

Causes

Hypervitaminosis D is usually caused by megadoses of Vitamin D supplements — not by diet or sun exposure. That's because your body regulates the amount of vitamin D produced by sun exposure, and even fortified foods don't contain large amounts of vitamin D.

Treatment

Treatment includes stopping vitamin D intake and restricting dietary calcium. Your doctor might also prescribe intravenous fluids and medications, such as corticosteroids or bisphosphonates.

Related Terms

• Vitamin D
• Vitamin D supplements
• Hypercalcemia
• Vitamin D toxicity
• Vitamin D deficiency

External links

• Medical encyclopedia article on Hypervitaminosis D
• Wikipedia's article - Hypervitaminosis D

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