Answer
It can bind tetracycline and quinolone antibiotics and reduce their absorption. Ask a pharmacist about appropriate separation.
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.