Answer
It should not be used by people with calcium-containing kidney stones or high urinary calcium. Prolonged excessive use can increase stone risk.
Sources for this answer
- Calcium Carbonate 500mg Chewable Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Rennie 750mg Medicated Chewing Gum — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.