 <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] ipation, mouth sores, decreased appetite, dizziness, lightheadedness, headache, or tiredness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. Remember that this medication has been prescribed because 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: numb/tingling skin, muscle/joint pain. Get medical help right away if you have any very serious side effects, including: fast/irregular heartbeat, severe dizziness, fainting, signs of kidney problems (such as painful urination, pink/bloody urine, change in the amount of urine). Ivosidenib sometimes causes side effects due to the rapid destruction of cancer cells (tumor lysis syndrome). To lower your risk, your doctor may add a medication and tell you to drink plenty of fluids. Tell your doctor right away if you have symptoms such as: low back/side pain (flank pain), muscle spasms/weak </s>