Are You at Risk for Hypercalcemia?
Published: Nov 10, 2023
Knowing the risk factors for hypercalcemia can help prevent this condition. It's more than just calcium intake!
Contents
High Calcium Intake
While consuming calcium-rich foods is essential for health, excessive intake can lead to hypercalcemia, especially in people with decreased kidney function. This occurs because the body struggles to excrete the excess calcium, leading to elevated blood levels. If you have chronic kidney disease, be mindful of your calcium consumption to avoid complications.
Vitamin Overload
Vitamins are crucial, but too much vitamin D can increase calcium absorption, resulting in hypercalcemia. This is particularly true for those taking high doses of vitamin D supplements. To prevent this, it's important to stick to recommended daily allowances and consult a healthcare provider before starting any new supplements.

Medications and Conditions
Certain medications, like lithium and thiazide diuretics, and conditions such as hyperparathyroidism, can increase the risk of hypercalcemia. These factors can alter the body's calcium balance, leading to higher blood calcium levels. Monitoring these medications and conditions is crucial for those at risk.
Frequently Asked Questions
Yes, excessive calcium intake can lead to hypercalcemia.
High vitamin D levels can increase calcium absorption, causing hypercalcemia.
Lithium and thiazide diuretics can raise the risk.
People with kidney issues should monitor their calcium intake.
Key Takeaways
Understanding risk factors can help you manage your calcium levels effectively.
References
- Walker MD, Shane E. Hypercalcemia: A Review. JAMA 2022; 328:1624.
- Lowe H, Cusano NE, Binkley N, et al. Vitamin D toxicity due to a commonly available 'over the counter' remedy from the Dominican Republic. J Clin Endocrinol Metab 2011; 96:291.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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