 <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]  mouth as directed. Chew the medication well before swallowing. Follow all directions on the product package. Do not take more than the maximum recommended dose stated on the product package. If you have any questions, ask your doctor or pharmacist. Tell your doctor if your condition lasts or gets worse. Do not take the maximum dose of the medication for more than 2 weeks unless directed by your doctor. If you think you may have a serious medical problem, get medical help right away.The side effects of Calcium Carbonate-Simethicone Oral: Constipation may occur. If this effect lasts or gets worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: loss of appetite, nausea/vomiting, unusual weight loss, bone/muscle pain, mental/mood changes (such as confusion), headache, increased thirst/urination, unusual weakness/tiredness, signs of kidney problems (such as change in the amount of urine). A very serious allergic reaction to this </s>