When your hyperparathyroidism, a condition where the parathyroid glands make too much parathyroid hormone, leading to high calcium in the blood. Also known as overactive parathyroid, it doesn’t always cause obvious symptoms—but left unchecked, it can weaken bones, damage kidneys, and mess with your heart rhythm. This isn’t just about calcium numbers on a lab report. It’s about how your body reacts when that hormone is out of balance—and how some common medications can make it worse.
The parathyroid hormone, a key regulator of calcium and phosphorus in the blood and bones tells your bones to release calcium and your kidneys to hold onto it. When it’s overproduced—usually because of a benign tumor or gland enlargement—your blood calcium climbs. That’s when problems start: fatigue, frequent urination, stomach pain, depression, and even confusion. In severe cases, you might develop kidney stones or osteoporosis. What many don’t realize is that certain drugs can trigger or worsen this. For example, lithium, a mood stabilizer used for bipolar disorder, is known to cause long-term parathyroid overactivity. And if you’re taking thiazide diuretics, commonly prescribed for high blood pressure, they can mask high calcium by keeping it in your blood longer, making diagnosis harder.
Hyperparathyroidism often flies under the radar because its symptoms overlap with aging, stress, or other chronic conditions. But if you’ve had unexplained bone fractures, recurring kidney stones, or persistent fatigue despite normal thyroid tests, it’s worth asking for a calcium and parathyroid hormone blood test. Treatment isn’t always surgery. Some people manage with hydration, vitamin D adjustments, and avoiding medications that spike calcium. Others need to remove the overactive gland. The key is catching it early—before it starts silently damaging your bones or kidneys.
Below, you’ll find real-world insights from patients and doctors on how hyperparathyroidism interacts with other conditions, what meds to watch out for, and how to spot the warning signs before they turn serious. These aren’t just textbook summaries—they’re practical lessons from people living with this condition and the clinicians who treat it.