Elemental Calcium
Generic Details
Generic Name
Calcium Elemental Source
Other Names
- Calcium Supplement
Drug Class
- Mineral supplement
Chemical Formula
Ca
Molecular Weight
40.1 g/mol
Mechanism of Action
- Calcium is essential for various biological functions, including bone health, muscle function, nerve transmission, and hormone secretion.
Indications
- Prevention and treatment of calcium deficiency
- Osteoporosis management
- Support in pregnancy and lactation
- Support in growing children and adolescents
Common Dosage Forms
- Tablets
- Chewable tablets
- Liquid
- Softgel capsules
Typical Dosage
- 1000-1500 mg/day for adults
- 500-1300 mg/day for children
Pediatric Dosage
- 400-1300 mg/day depending on age
Geriatric Dosage
- Similar to adult dosage, adjustment based on renal function
Side Effects
- Constipation
- Gas
- Bloating
- Hypercalcemia with high doses
Contraindications
- Hypercalcemia
- Hypercalciuria
- Calcium kidney stones
Pregnancy Category
- A
Lactation Safety
- Safe to use
Drug Interactions
- Calcium may interfere with the absorption of certain medications such as tetracyclines and levothyroxine.
Overdose Symptoms
- Hypercalcemia symptoms like confusion, weakness, and increased urination
Antidote for Overdose
- Hydration, loop diuretics, calcitonin in severe cases
Storage Conditions
- Store at room temperature away from moisture and heat.
Pharmacokinetics
- Absorption: Well-absorbed in the presence of vitamin D
- Distribution: Primarily stored in bones
- Metabolism: Metabolized in the liver
- Excretion: Excreted in the feces and urine
Precautions
- Monitoring of serum calcium levels during treatment
- Caution in patients with renal impairment
Warnings
- Do not exceed the recommended dosage unless directed by a healthcare provider
Others
- Calcium supplements should be taken with food for better absorption.