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  1. Hypercalcemia - Symptoms and causes - Mayo Clinic

    Mar 8, 2024 · Hypercalcemia is a condition in which the calcium level in the blood becomes too high. Too much calcium in the blood can weaken bones and create kidney stones. It also can affect the …

  2. Hypercalcemia: What It Is, Causes, Symptoms & Treatment

    Aug 5, 2022 · Hypercalcemia happens when you have higher-than-normal levels of calcium in your blood. It's usually caused by primary hyperparathyroidism or certain cancers.

  3. Hypercalcemia Causes, Symptoms, and Treatments - UPMC

    Apr 24, 2025 · Hypercalcemia — also known as high calcium levels — happens when you have too much calcium in your blood. Although there are many causes for hypercalcemia, it can happen when …

  4. Hypercalcaemia - Wikipedia

    Hypercalcemia, also spelled hypercalcaemia, is a high calcium (Ca 2+) level in the blood serum. [1][3] The normal range for total calcium is 2.1–2.6 mmol/L (8.8–10.7 mg/dL, 4.3–5.2 mEq/L), with levels …

  5. What Causes Hypercalcemia? Here Are 7 Known Causes - WebMD

    Feb 22, 2024 · While high blood calcium levels have many potential causes, about 90% of cases are linked to two causes: problems with the parathyroid glands or cancer. Here's what you need to know …

  6. Hypercalcemia: High calcium levels and what to do

    Jun 9, 2025 · Hypercalcemia occurs when a person has too much calcium in their blood. There are multiple possible causes. Learn how hypercalcemia affects the body and how to reduce calcium levels.

  7. Hypercalcemia - Penn Medicine

    Feb 28, 2024 · Hypercalcemia means you have too much calcium in your blood. Parathyroid hormone (PTH) and Vitamin D help manage calcium balance in the body. PTH is made by the parathyroid …

  8. Hypercalcemia (High Level of Calcium in the Blood)

    In hypercalcemia, the level of calcium in blood is too high. A high calcium level may result from a problem with the parathyroid glands, as well as from diet, excessive vitamin D intake, cancer, or …

  9. What Happens When You Take Too Much Calcium - EatingWell

    Nov 9, 2025 · Too much calcium can be extremely dangerous (more on this soon). And your body knows it! So, it works hard to keep blood calcium levels in a very tight range. If you’re wondering how …

  10. Hypercalcemia: Symptoms, Causes, and Treatments - Healthgrades

    Mar 10, 2023 · Hypercalcemia is a condition wherein there is a high level of calcium in the blood. It typically occurs as a result of primary hyperparathyroidism or cancer, but it can also be a symptom of …