 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] , levothyroxine, pazopanib, strontium, quinolone antibiotics (such as ciprofloxacin, levofloxacin), among others. Separate your doses of these medications as far as possible from your doses of calcium carbonate. Ask your doctor or pharmacist about how long you should wait between doses and for help finding a dosing schedule that will work with all your medications. Check the labels on all your prescription and nonprescription/herbal products (such as supplements, vitamins) because they may contain calcium. Ask your pharmacist about using those products safely. Does Antacid Extra Strength (Calcium Carb) 300 Mg (750 Mg) Chewable Tablet interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Antacid Extra Strength (Calcium Carbonate) Oral: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: nausea/v </s>