 <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]  Talk to your doctor about using lenvatinib safely. Some people taking lenvatinib may have serious jawbone problems. Your doctor should check your mouth before you start this medication. Tell your dentist that you are taking this medication before you have any dental work done. To help prevent jawbone problems, have regular dental exams and learn how to keep your teeth and gums healthy. If you have jaw pain, tell your doctor and dentist right away. Before having surgery (especially dental procedures), tell your doctor or dentist about this medication and all other products you use (including prescription drugs, nonprescription drugs, and herbal products). This medication may cause wounds to heal slowly or poorly. Before having surgery, talk with your doctor about the risks and benefits of this medication. Your doctor may tell you to temporarily stop treatment with this medication at least 1 week before surgery. Ask your doctor for specific instructions about when to stop and when to restart treatment with lenvatinib. Tell your doctor right away if you have wounds that are not healing well. Older adults may be more sensitive to the side effects of this drug, especially QT prolongation (see above). Since this drug can be absorbed through the skin and lungs and may harm an unborn baby, women who are pregnant </s>