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Hypoparathyroidism: Other FAQs

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Basic information for topics, such as “What is it?” and “How many people are affected?” is available in the Condition Information section. In addition, Frequently Asked Questions (FAQs) that are specific to a certain topic are answered in this section.

What are possible complications of hypoparathyroidism and its treatments?

If congenital hypoparathyroidism is diagnosed and treated early, outcomes are usually good and the body grows normally.

If hypoparathyroidism is left untreated, complications can include blocked airway from severe muscle spasms, stunted growth, poorly formed or malformed teeth, development of cataracts, and calcium deposits in the brain.1,2

In some cases, conventional treatments can lead to problems. Too much replacement of calcium and vitamin D can cause high blood calcium (a condition called hypercalcemia) and kidney problems, including reduced function and tissue damage.1

Conventional therapy may also lead to kidney failure from a buildup of calcium in the kidney called nephrocalcinosis. This build up is not necessarily associated with hypercalcemia and may occur even when the blood calcium levels are kept in the normal range.


  1. University of Maryland Medical Center. (2011). Hypoparathyroidism. Retrieved June 22, 2012, from http://www.umm.edu/altmed/articles/hypoparathyroidism-000091.htm External Web Site Policy [top]
  2. Hypoparathyroidism (HPTH) UK. (2012). Osteomalacia. Retrieved June 22, 2012, from http://hpth.org.uk/hpth.php?id=160 External Web Site Policy  [top]

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Last Updated Date: 07/31/2013
Last Reviewed Date: 07/05/2013
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