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Calcium Carbonate - Indications, Dosage, Side Effects and Precautions

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Information about Calcium Carbonate

Generic Name : Calcium Carbonate
Pronunciation : KAL-see-um KAR-bo-nate
Latest prescription information about Calcium Carbonate. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, warnings and its storage instructions . Also listed are the International and Indian trade name(s) of the drug and its price list.
Therapeutic Classification : Dietary Supplements

Trade Names/Brand Names of Calcium Carbonate

India : 


International : 

Alka-Mints, Calel-D, Caltrate 600, Chooz, Os-Cal 500, Rolaids Calcium Rich, Titralac, Tums

Why is Calcium Carbonate Prescribed? (Indications)

This medication is a dietary supplement, prescribed for calcium deficiency state which may occur in diseases such as decreased levels of parathyroid hormone (acute and chronic), postmenopausal osteoporosis, rickets and osteomalacia (softening of the bones). It is also used as an antacid. 


When should Calcium Carbonate not be taken? (Contraindications)

Contraindicated to patients with increased calcium level in blood and/or increased calcium in urine, kidney stone, increased level of vitamin D, and phosphate in blood.

What is the dosage of Calcium Carbonate?

Oral- 1 to 3 chewable tablets containing 500 mg calcium carbonate per day, or as directed by your physician. Maximum dose is 16 tablets/day. For pregnant woman maximum dose is 7 tabs/day.

How should Calcium Carbonate be taken?

It comes as a tablet, liquid to take by mouth, after meals.

What are the warnings and precautions for Calcium Carbonate?

• Impaired calcium absorption in achlorhydria, which is common in elderly.

Increased risk of increased calcium level in blood and/or increased calcium in urine in hypo parathyroid patients receiving high doses of vitamin D.

Caution needed when using in patients with history of kidney stones, kidney impairment.

Frequent monitoring of serum calcium and phosphorus is recommended.

What are the side effects of Calcium Carbonate?

  Heart: Slow heart rate, cardiac arrest, abnormal heart rhythm.
  Gastrointestinal: Constipation, loss of appetite, flatulence, nausea, abdominal pain and diarrhea.
  Genitourinary: Kidney stone, kidney failure.
  Metabolic: Increased calcium level, muscle weakness, headache, coma.
  Allergic reactions: Itching, rash and hives.

What are the other precautions for Calcium Carbonate?

Do not take in larger or smaller quantity or for longer than recommended.

What are the storage conditions for Calcium Carbonate?

Oral: Store below 25C. Store it at room temperature and in airtight container.

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