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calcium carbonate
generic
Adult Dosing .
Dosage forms: CAP: 350 mg; TAB: 500 mg, 600 mg; CHEWABLE: 200 mg, 260 mg, 300 mg, 400 mg, 500 mg, 600 mg; PWDR: 1000 mg per tsp, 1200 mg per tsp, 1600 mg per tsp; SUSP: 500 mg per 5 mL
Special Note
- [strength clarification]
- Info: CaCO3 contains approx. 40% elemental Ca; 1 g CaCO3 = 400 mg (20 mEq) elemental Ca; supplements w/ oyster shell or coral Ca may contain less elemental Ca; dosage forms and doses expressed as elemental Ca, except where otherwise specified
- [formulation clarification]
- Info: supplements w/ oyster shell Ca assoc. w/ incr. ADRs due to impurities
dyspepsia
- [750-3000 mg CaCO3 PO prn]
- Max: 7500 mg CaCO3/24h; Info: max 5000 mg CaCO3/24h if pregnant; use 200 mg (500 mg CaCO3), 300 mg (750 mg CaCO3), or 400 mg (1000 mg CaCO3) chewable tabs
osteoporosis prevention, postmenopausal
- [1.2 g/day PO divided tid-qid]
- Info: give w/ food
hypocalcemia, chronic
- [1-2 g/day PO divided tid-qid]
- Info: give w/ food
dietary supplementation
- [individualize dose]
- Info: see Dietary Reference Intakes, Calcium table
renal dosing
- [see below]
- renal impairment: no adjustment
- HD/PD: not defined
hepatic dosing
- [not defined]
Peds Dosing .
- Dosage forms: CAP: 350 mg; TAB: 500 mg, 600 mg; CHEWABLE: 160 mg, 200 mg, 260 mg, 300 mg, 400 mg, 500 mg, 600 mg; PWDR: 1000 mg per tsp, 1200 mg per tsp, 1600 mg per tsp; SUSP: 500 mg per 5 mL
Special Note
- [strength clarification]
- Info: CaCO3 contains approx. 40% elemental Ca; 1 g CaCO3 = 400 mg (20 mEq) elemental Ca; supplements w/ oyster shell or coral Ca may contain less elemental Ca; dosage forms and doses expressed as elemental Ca, except where otherwise specified
- [formulation clarification]
- Info: supplements w/ oyster shell Ca assoc. w/ incr. ADRs due to impurities
dyspepsia
- [2-5 yo]
- Dose: 400 mg CaCO3 PO prn; Max: 1200 mg CaCO3/24h; use 160 mg (400 mg CaCO3) chewable tabs
- [6-11 yo]
- Dose: 500-800 mg CaCO3 PO prn; Max: 2400 mg CaCO3/24h; use 160 mg (400 mg CaCO3), 200 mg (500 mg CaCO3), or 300 mg (750 mg CaCO3) chewable tabs
- [12 yo and older]
- Dose: 750-3000 mg CaCO3 PO prn; Max: 7500 mg CaCO3/24h; Info: max 5000 mg CaCO3/24h if pregnant; use 200 mg (500 mg CaCO3), 300 mg (750 mg CaCO3), or 400 mg (1000 mg CaCO3) chewable tabs
hypocalcemia, chronic
- [neonates]
- Dose: 50-150 mg/kg/day PO divided q4-6h; Max: 1 g/day; Info: give w/ milk or formula
- [infants/children]
- Dose: 45-65 mg/kg/day PO divided q6h; Info: give w/ food
- [adolescents]
- Dose: 1-2 g/day PO divided tid-qid; Info: give w/ food
dietary supplementation
- [individualize dose]
- Info: see Dietary Reference Intakes, Calcium table
renal dosing
- [see below]
- CrCl <25: consider dose adjustment based on calcium levels
- HD/PD: not defined
hepatic dosing
- [not defined]