Are there any side effects of calcium carbonate?

Yes. Possible side effects of calcium carbonate include an upset stomach, lack of appetite, abdominal pain, vomiting, constipation, dry mouth, gas, increased urination, and a metallic taste in the mouth. Calcium carbonate may cause a serious allergic reaction. If you experience any symptoms of an allergic reaction such as difficulty breathing, swelling of the neck or face, or hives, seek immediate medical attention.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.