Common use
Calcium is a mineral that is found naturally in foods. Calcium is necessary for many normal functions of the body, especially bone formation and maintenance. Calcium carbonate is used to prevent or to treat a calcium deficiency.
Dosage and direction
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Swallow the calcium carbonate regular tablet with a full glass of water. Your calcium carbonate dose may need to be adjusted as you make changes to your diet.
Precautions
Ask a doctor or pharmacist if it is safe for you to take calcium carbonate if you have ever had: kidney disease; kidney stones; cancer; a parathyroid gland disorder; or high levels of calcium in your blood.
Ask a doctor before using calcium carbonate if you are pregnant or breast-feeding. Your dose needs may be different during pregnancy or while you are nursing.
Contraindications
Ask a doctor or pharmacist before taking any multivitamins, mineral supplements, or antacids while you are taking calcium carbonate. Tell him all your medical conditions, allergies, and all medicines you use.
Possible side effect
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Calcium carbonate may cause serious side effects. Call your doctor at once if you have: little or no urinating; swelling, rapid weight gain; or high levels of calcium in your blood--nausea, vomiting, constipation, increased thirst or urination, muscle weakness, bone pain, confusion, lack of energy, or feeling tired.
Common side effects of calcium carbonate may include: upset stomach, gas; or constipation.
Drug interaction
Calcium can make it harder for your body to absorb certain medicines. If you take other medications, take them at least 2 hours before or 4 or 6 hours after you take calcium carbonate.
Missed dose
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
Overdose
Seek emergency medical attention.
Storage
Store at room temperature away from moisture and heat. Do not freeze.
