 <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]  on all your prescription and nonprescription/herbal products (such as antacids, vitamins) because they may contain calcium. Ask your pharmacist about using those products safely. Does calcium carbonate oral interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of 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/vomiting, loss of appetite, mental/mood changes, headache, weakness, tiredness.  Notes Foods rich in calcium include: dairy products (such as milk, yogurt, cheese, ice cream), dark-green leafy vegetables (such as broccoli, spinach, bok choy), and calcium-fortified foods (such as orange juice). Vitamin D helps with the absorption of calcium. Foods rich in vitamin D include: fortified dairy products, eggs, sardines, cod liver oil, chicken livers, and fatty fish. Vitamin D is also made </s>