10 Warning Signs Your Calcium Levels May Be Dangerously High

10 Warning Signs Your Calcium Levels May Be Dangerously High

By Rajeshwaari Kalla | July 16, 2025 | Image: Canva

Know the normal range

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The normal range of calcium in the body is 8–10 mg/dL. If the calcium levels increase above 10.5 mg/dL, it is  known as hypercalcemia

Understand lithium’s effect

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Lithium therapy, which is often given in psychiatric conditions like bipolar disorder and mania, can indirectly lead to increased calcium levels

Monitor for cancer links

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Malignant conditions like breast cancer and tumours in the lung or kidney can also cause hypercalcemia. It is important to regularly check calcium levels  in such conditions

Avoid vitamin D excess

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If you consume too much vitamin D via supplementation, it may raise the amount of calcium in your  bloodstream and may even  become an emergency if severe

Watch for mental changes

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You may experience excessive lethargy, fatigue, and memory loss, along with confusion, paranoia, and depression. Stupor or coma may be seen  in extreme cases

Check bone inflammation

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Hypercalcemia may present as inflammation of joints, called arthritis,  as well as that of the bones, osteitis.  Soft, weak bones may also be seen

Track digestive symptoms

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Excessive calcium can cause constipation, nausea, vomiting, indigestion, and also peptic ulcers.  A few cases may also show  inflammation of the pancreas

Note urinary issues

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You may develop kidney stones or notice blood in urine. A history of increased thirst and changes in the frequency of urination must be mentioned

Don’t ignore mild cases

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Not having any symptoms does not mean you don’t have hypercalcemia. Some people do not experience any symptoms or may have general features like tiredness or weight loss

Treat with hydration

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In cases of acute presentations, the  body must be rehydrated on time.  At least 4 to 6 litres of saline is used  for this purpose, along with  phosphorus-containing medicines

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