Calcium (Ca) In Blood: What Affects The Test


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What Affects the Test


Reasons you may not be able to have the test or why the results may not be helpful include:

  • Drinking too much milk or using too much antacid, calcium salt, or calcium supplement.
  • Taking medicines, such as diuretics, acetazolamide (Diamox), albuterol, estrogen, birth control pills, corticosteroids, and some medicines that control seizures.
  • Taking too much vitamin D, lithium, laxatives, theophylline, or aspirin.
  • Having many blood transfusions in a short period of time.


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Last updated: September 29, 2008
Author: Monica Rhodes
Reviewed By: E. Gregory Thompson, MD - Internal Medicine, Tushar J. Vachharajani, MD, FASN, FACP - Nephrology
Editors: Maria Essig, Tracy Landauer

This information is not intended to replace the advice of a doctor. By using AOL Body, you indicate that you have read, understood, and agreed to our Terms of Service, and AOL Body Advertising Policy. Read more about our content partners.

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