cavit-xt tablet - Calcium Carbonate (500mg) + Vitamin D3 (2000IU) medicine

cavit-xt tablet - Uses, Price, Side Effects & Substitutes

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๐Ÿญ Cachet Pharmaceuticals Pvt Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jul 4, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
SaathiMed Expert Panel | Jul 04, 2026

What is cavit-xt tablet used for?

Adtrol XT Tablet (Calcium Carbonate + Vitamin D3) is used to treat VITAMINS MINERALS NUTRIENTS. It contains Calcium Carbonate (500mg) + Vitamin D3 (2000IU), which Calcium carbonate provides elemental calcium for bone mineralization and other p. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Calcium Carbonate + Vitamin D3
  • Manufacturer: Cachet Pharmaceuticals Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: A
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

๐Ÿ’Š cavit-xt tablet Uses & Benefits

Prevention and treatment of calcium and vitamin D deficiency, osteoporosis, osteomalacia, rickets, as adjunct in hypoparathyroidism.

Off-label uses: May be used for hypocalcemia due to other causes, or for prevention of corticosteroid-induced osteoporosis.

๐Ÿ“‹ Drug Information

Generic Name(s)Calcium Carbonate + Vitamin D3
Brand NameAdtrol XT Tablet
ManufacturerCachet Pharmaceuticals Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassVITAMINS MINERALS NUTRIENTS
Action ClassVitamins and Minerals
Route of AdministrationOral
StorageStore at room temperature (20-25ยฐC), protect from moisture and light.
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionCalcium carbonate is absorbed in the small intestine; vitamin D3 is absorbed in the small intestine with dietary fats.
DistributionCalcium is distributed into bones and teeth; vitamin D3 is distributed to liver, fat, and muscle tissues.
Protein BindingCalcium: ~45% bound to proteins; Vitamin D3: ~99.9% bound to vitamin D-binding protein.
MetabolismVitamin D3 is hydroxylated in the liver to 25-hydroxyvitamin D3, then in the kidney to active 1,25-dihydroxyvitamin D3.
Half-LifeCalcium: variable; Vitamin D3: about 2-3 weeks.
ExcretionCalcium is excreted primarily in feces; vitamin D3 metabolites are excreted in bile and urine.
BioavailabilityCalcium carbonate: ~25-35% on empty stomach, higher with food; Vitamin D3: well absorbed with fats.
Onset of ActionCalcium: immediate; Vitamin D3: hours to days for effects on calcium absorption.
Peak Plasma TimeCalcium: 1-2 hours; Vitamin D3: 12-24 hours after oral dose.
Duration of ActionCalcium: several hours; Vitamin D3: weeks to months.

How It Works

Calcium carbonate provides elemental calcium for bone mineralization and other physiological functions. Vitamin D3 increases intestinal absorption of calcium and phosphate, promotes renal reabsorption of calcium, and stimulates bone mineralization.

Mechanism Steps

1Calcium carbonate dissociates in stomach to release calcium ions.
2Vitamin D3 is absorbed and hydroxylated in liver to 25-hydroxyvitamin D3.
325-hydroxyvitamin D3 is further hydroxylated in kidney to active 1,25-dihydroxyvitamin D3.

๐Ÿ’ก How to Take cavit-xt tablet

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of cavit-xt tablet

โœ… Common Side Effects

  • Constipation
  • Nausea
  • Vomiting
  • Flatulence
  • Abdominal pain

๐Ÿšจ Serious Side Effects

  • Hypercalcemia
  • Hypercalciuria
  • Renal calculi
  • Milk-alkali syndrome

โš ๏ธ Rare Side Effects

  • Allergic reactions
  • Metabolic alkalosis (with high doses)

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Thiazide diuretics Major Increased risk of hypercalcemia
Digitalis glycosides Major Increased risk of digitalis toxicity due to hypercalcemia
Fluoroquinolones Major Reduced absorption of fluoroquinolones
Tetracyclines Major Reduced absorption of tetracyclines
Bisphosphonates Major Reduced absorption of bisphosphonates
Corticosteroids Moderate Reduced calcium absorption and increased excretion
Orlistat Moderate Reduced absorption of vitamin D3
Cholestyramine Moderate Reduced absorption of vitamin D3
Phenytoin Moderate Reduced vitamin D levels
Barbiturates Moderate Reduced vitamin D levels
Magnesium-containing antacids Minor Possible hypermagnesemia
Aluminum-containing antacids Minor Reduced absorption of calcium
Iron supplements Minor Reduced absorption of iron
Zinc supplements Minor Reduced absorption of zinc

๐Ÿšจ Major Interactions

  • Thiazide diuretics
  • Digitalis glycosides
  • Fluoroquinolones
  • Tetracyclines
  • Bisphosphonates

โšก Moderate Interactions

  • Corticosteroids
  • Orlistat
  • Cholestyramine
  • Phenytoin
  • Barbiturates

โ„น๏ธ Minor Interactions

  • Magnesium-containing antacids
  • Aluminum-containing antacids
  • Iron supplements
  • Zinc supplements

๐Ÿฝ๏ธ Food Interactions

High-fiber foods, oxalates (spinach, rhubarb), phytates (whole grains) may reduce calcium absorption. Vitamin D3 absorption enhanced with fatty meals.

๐Ÿท Alcohol Interaction

Chronic alcohol use may reduce vitamin D levels and impair calcium absorption.

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypercalcemia, hypercalciuria, renal calculi, severe renal impairment, hypersensitivity to any component.

๐Ÿ“Š Monitoring Parameters

Serum calcium, phosphate, alkaline phosphatase, 25-hydroxyvitamin D levels, renal function, urine calcium excretion.

๐Ÿคฑ Lactation Safety

Safe; calcium and vitamin D3 are excreted in breast milk but not harmful.

๐Ÿ’Š Overdose Management

Discontinue medication, monitor serum calcium, treat hypercalcemia with hydration, loop diuretics, calcitonin, or bisphosphonates if severe.

โฐ Missed Dose

Take as soon as remembered unless almost time for next dose; do not double dose.

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jul 04, 2026

๐Ÿ”— View Profile

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