20.05 Calcium Carbonate (Tums)

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Generic Name

Calcium carbonate

Trade Name



Treatment of hypocalcemia, prevention of postmenopausal osteoporosis, treat-
ment of hyperkalemia and hypermagnesemia, used as antacid


Calcium is essential for nervous, muscular, and skeletal systems, helps maintain
cell membranes, aids in transmission of nerve impulses and muscle contraction,
aids in blood formation and coagulation

Therapeutic Class

Mineral and electrolyte replacements/supplements

Pharmacologic Class


Nursing Considerations

• May cause cardiac arrest and arrhythmias
• Monitor hemodynamics
• May causes hypotension, bradycardia, and arrhythmias
• Hypercalcemia can increase risk for digoxin toxicity
• Instruct pt on foods that contain Vitamin D and encourage adequate intake
• Monitor parathyroid hormone