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Hypercalcemia

Hypercalcemia refers to high blood calcium levels. It is most often caused by primary hyperparathyroidism.

I have had high calcium levels for over 30 years, but have never been diagnosed with parathyroid disease. I’ve never had any health problems. Do I have primary hyperparathyroidism?

In most cases, persistently high calcium levels indicate primary hyperparathyroidism. But we need more information to confirm the diagnosis. To diagnose primary hyperparathyroidism, we check the calcium and PTH together. If something else (not parathyroid disease) is causing the high calcium, then the normal parathyroid glands will be suppressed - that is, they will make very little hormone. Th...

FHH Diagnosis Primary HPT Hypercalcemia

Is this primary hyperparathyroidism? Over the last year my calcium levels have been: 10.5, 10.9, and 10.6 mg/dl. My PTH was 57 pg/ml. I'm 75 years old. My physician said that my PTH is normal and so this cannot be primary hyperparathyroidism.

These are classic labs for primary hyperparathyroidism. Your calcium is high for your age. PTH levels can only be interpreted in relation to calcium levels. If your calcium is normal, then you expect the PTH to be in the "normal" range listed on the lab result. But if the calcium is high, normal parathyroid glands will be suppressed, and thus the PTH should be low (under 20 pg/ml). If the PTH i...

Diagnosis Hypercalcemia FAQ

I just found out on routine bloodwork that my calcium is 12.4 mg/dl. I know I need parathyroid surgery but I won't be able to see the surgeon until next month. Since my calcium is so high, I'm worried that my health is going to deteriorate before I get this operation. How quickly do I need to get this done?

The odds are that you have had high calcium levels for years. Your calcium did not jump from normal range to 12.4 in a day, or you likely would have noticed acute symptoms of high calcium (nausea, vomiting, confusion). Since this was found incidentally, it is very likely that you have had rising calcium levels for a while. The severity of primary hyperparathyroidism is unrelated to how high the...

Hypercalcemia Operation

I am 69. My calcium levels have run consistently 10.8 range for the past 2 years. It has been 11.9 and 11 as recently as a few days ago. My PTH was 86 in September 2021 but is normal range now. However I feel really bad. Fatigue, difficult concentration, tingling lips, constipation, absolutely no appetite with weight loss, nervous internally and eye sight changes. Could I have parathyroid issues even with a normal PTH? I have seen doctors but they just say they don't know why my calcium is high or what is causing my symptoms. My whole life has changed. I'm desperate for answers and where to find them. Please help.

Your lab results indicate primary hyperparathyroidism. You are experiencing the classic symptoms of the disease, which should improve once you get it treated. The diagnosis of primary hyperparathyroidism is based mostly on calcium and PTH levels, but you do not need to have a "high" PTH to make the diagnosis. The important thing is the calcium and whether the PTH is appropriate given the ca...

Diagnosis Hypercalcemia primary hyperparathyroidism

I’m 67 and my Calcium is at 10.4. I’m breast cancer survivor 20 years. What should I do?

Thanks for reaching out. A calcium of 10.4 mg/dl is high for your age. Most of the time, a high calcium level is caused by primary hyperparathyroidism. Certain cancers, including breast cancer, can also cause high calcium, but this is much less common. Fortunately, it is easy to determine whether the high calcium is caused by parathyroid disease or something else, by checking the parathyroi...

Diagnosis Hypercalcemia

My blood report reads: Calcium 10.4, PTH 85.3, Vitamin D is 58.5, Albumin 5, Calcium Ionized 5.19. I am 58 years old. I have stopped taking 5000mg of Vitamin D, tho my doctor said I should have an MRI to see which thyroid needs to be removed. Does this make sense? Thank you very much.

Thanks for writing. Your blood tests indicate that you have primary hyperparathyroidism. You have a calcium level that is high for your age, with a high PTH. Most of the time, primary hyperparathyroidism is caused by a benign parathyroid tumor, or adenoma. The treatment for this is removal of the parathyroid tumor. Sometimes, imaging can show which parathyroid gland is diseased. Your doctor...

Diagnosis Imaging Hypercalcemia primary hyperparathyroidism