Generic / Various Brands
Generic Name
Calcium Vitamin C & D
Manufacturer
Various manufacturers
Country
Various
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Description
Overview of the medicine
A dietary supplement combining calcium, vitamin C, and vitamin D to support bone health, immune function, and overall well-being. Calcium is crucial for strong bones and teeth, vitamin D aids calcium absorption, and vitamin C is essential for collagen formation and immune support.
Uses & Indications
Dosage
Adults
1-2 tablets daily or as directed by physician. Take with food for better absorption.
Elderly
Same as adult dosage, but individual needs may vary. Consult a physician.
Renal_impairment
Use with caution. High doses may lead to hypercalcemia. Consult a physician for dose adjustment.
How to Take
Oral. Can be taken with or without food, though some prefer with food for better absorption and to reduce stomach upset. Effervescent tablets should be dissolved in water.
Mechanism of Action
Calcium is a vital mineral for bone mineralization, muscle contraction, and nerve function. Vitamin D (cholecalciferol) facilitates calcium absorption in the gut and regulates calcium and phosphate levels in the body. Vitamin C (ascorbic acid) is an antioxidant necessary for collagen synthesis, wound healing, and immune system function.
Pharmacokinetics
Onset
Nutritional effects are gradual, over days to weeks for bone health.
Excretion
Calcium: Feces and urine. Vitamin D: Bile and urine. Vitamin C: Primarily urine.
Half life
Calcium: Varies, long retention in bone. Vitamin D: ~15-30 days. Vitamin C: ~8-40 days depending on dose.
Absorption
Calcium is absorbed primarily in the small intestine, enhanced by Vitamin D. Vitamin C is readily absorbed in the gastrointestinal tract.
Metabolism
Calcium is metabolically regulated. Vitamin D is hydroxylated in the liver and kidneys to its active form. Vitamin C is metabolized to oxalate.
Side Effects
Contraindications
- •Hypercalcemia
- •Severe renal impairment
- •Known hypersensitivity to any component
- •Hyperparathyroidism
Drug Interactions
Digoxin
High calcium levels may increase digoxin toxicity.
Bisphosphonates
Calcium can reduce absorption. Take at least 30-60 minutes apart.
Thiazide diuretics
May increase risk of hypercalcemia.
Tetracyclines/Quinolones
Calcium can reduce absorption of these antibiotics. Take at least 2-4 hours apart.
Storage
Store below 30°C in a dry place, away from direct sunlight. Keep out of reach of children.
Overdose
Symptoms of overdose may include hypercalcemia (nausea, vomiting, constipation, thirst, frequent urination, muscle weakness, confusion) and hypervitaminosis D. Treatment involves discontinuing the supplement, hydration, and medical management of symptoms.
Pregnancy & Lactation
Generally considered safe within recommended daily allowances. Consult a physician before use during pregnancy or lactation to determine appropriate dosage.
Frequently Asked Questions
Common questions about this medicine
Pack Sizes
Shelf Life
24 to 36 months from manufacturing date
Availability
Pharmacies, drugstores, supermarkets, online stores
Approval Status
Generally Recognized As Safe (GRAS) by FDA
Patent Status
No longer under patent, generic
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Global Brand Names
International brand names for this medicine
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