Before taking this medication, tell your doctor if you have:
- a history of kidney stones; or
- a parathyroid gland disorder.
If you have any of these conditions, you may not be able to take calcium carbonate, or you may need a dose adjustment or special tests during treatment.
Talk to your doctor before taking calcium carbonate if you are pregnant.
Talk to your doctor before taking calcium carbonate if you are breast-feeding.
Follow your doctor’s instructions about any restrictions on food, beverages, or activity while you are using calcium carbonate.
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include nausea, vomiting, decreased appetite, constipation, confusion, delirium, stupor, and coma.
Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Less serious side effects may include:
- nausea or vomiting;
- decreased appetite;
- dry mouth or increased thirst; or
- urinating more than usual.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.
Calcium carbonate may interact with or make it harder for your body to absorb certain drugs. Tell your doctor about all other medications you take, especially:
- digoxin (Lanoxin, Lanoxicaps);
- antacids or other calcium supplements;
- calcitriol (Rocaltrol) or vitamin D supplements; or
- a tetracycline antibiotic such as tetracycline (Sumycin, Achromycin V, and others), demeclocycline (Declomycin), doxycycline (Vibramycin, Monodox, Doxy, and others), minocycline (Minocin, Dynacin, and others), or oxytetracycline (Terramycin, and others).
This list is not complete and there may be other drugs that can interact with calcium carbonate. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
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Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04