CNS: headache, tingling.
CV: arrhythmias, bradycardia.
GI: constipation, nausea, vomiting.
GU: calculi, hypercalciuria.
1 gram of calcium carbonate contains 400 mg elemental calcium (20 mEq calcium). Doses expressed in terms of elemental calcium.
- PO (Adults): Prevention of hypocalcemia, treatment of depletion, osteoporosis — 1–2 g/day in 3–4 divided doses. Antacid — 0.5–1.5 g as needed. Hyperphosphatemia in end-stage renal disease — 1 g with each meal, increase to 4–7 g as needed.
- PO (Children): Supplementation — 45–65 mg/kg/day in 4 divided doses.
- PO (Infants): Neonatal hypocalcemia — 50–150 mg/kg in 4–6 divided doses (not to exceed 1 g/day).
Alka-Mints, Amitone, BioCal, Calcarb, Calci-Chew, Calciday, Calcilac, Calci-Mix, Cal-Plus, Caltrate, Chooz, Dicarbosil, Equilet, Gencalc, Liqui-Cal, Liquid Cal-600, Maalox Antacid Caplets, Mallamint, Nephro-Calci, Os-Cal, Oysco, Oyst-Cal, Oystercal, Rolaids Calcium Rich, Surpass, Surpass Extra Strength, Titralac, Tums, Tums E-X
Therapeutic Classification: mineral and electrolyte replacements/supplements
Absorption: Absorption from the GI tract requires vitamin D.
Distribution: Readily enters extracellular fluid. Crosses the placenta and enters breast milk.
Metabolism/Excretion: Excreted mostly in the feces; 20% eliminated by the kidneys.
Half-life: Unknown.
Apo-Cal, Calcite, Calglycine, Calsan, Mylanta Lozenges, Nu-Cal
(effects on serum calcium)
