Hypersensitivity. Abnormally high level of Ca in the blood (hypercalcemia) &/or hypercalciuria eg, overactive parathyroid glands, bone marrow disease (myeloma), malignant bone tumor (bone metastasis). Patients suffering from kidney failure, kidney stones or those w/ Ca deposits in the kidneys; hypervitaminosis D.
Regularly monitor Ca in the blood in case of long-term treatment particularly in the elderly. Concomitant use w/ cardiac glycosides or diuretics. Elderly ≥65 yr.
Abdominal distension, abdominal pain, constipation, diarrhea, eructation/burping, flatulence, nausea, vomiting, high level of Ca in blood (hypercalcemia), excessive loss of Ca in urine (hypercalciuria) & kidney stone formation (nephrolithiasis).
Do not take w/ high-fiber meal (eg, bran, whole grain, cereal or bread, fresh fruits). Do not smoke cigarettes or cigars & do not drink large amounts of alcohol or caffeine (>8 cups of coffee). Ca: Other supplements or medicines containing Ca. phenytoin or tetracyclines (eg, doxycycline, minocycline), fluoroquinolones, & levothyroxine.
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