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ALIMENTARY TRACT AND METABOLISM › MINERAL SUPPLEMENTS › CALCIUM › Calcium
calcium citrate
A12AA13
Forms & Strengths
- Tablet: 200 mg calcium
- Tablet: 250 mg calcium
- Tablet: 300 mg calcium
- Oral solution: 200 mg/5 mL calcium
Adult Dosing
- 1-2 tablets (200-400 mg calcium) with meals
- 1-2 tablets (500-1000 mg calcium) daily for osteoporosis prevention
- Calcium citrate dose may vary based on patient needs
Pediatric Dosing
- Not established for children under 12 years
- 12-18 years: 1 tablet (200-500 mg calcium) daily
- Pediatric dosing should be individualized
Indications
- Osteoporosis prevention and treatment
- Hypocalcemia treatment
- Calcium supplement
- Hyperphosphatemia management in chronic kidney disease
Mechanism of Action
- Provides calcium ions for various bodily functions
- Replenishes calcium stores
- Supports bone health
- Binds phosphorus in the gastrointestinal tract
Contraindications
- Hypercalcemia
- Calcium-containing kidney stones
- Severe kidney impairment (except under medical supervision)
Adverse Reactions
- Gastrointestinal upset
- Nausea and vomiting
- Constipation or diarrhea
- Calcium-induced kidney stones
Drug Interactions
- Bisphosphonates: decreased absorption
- Tetracycline antibiotics: decreased absorption
- Quinolone antibiotics: decreased absorption
- Mineral oil and stimulant laxatives: decreased absorption
Curated Content: Needs Vetting Before Put to Clinical Use