 <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]  from it. To help you remember, take it at the same time each day. Tell your doctor if your condition worsens.The side effects of Vandetanib Oral: See also Warning section. Nausea, decreased appetite, changes in taste, dry mouth, stomach pain, vomiting, diarrhea, headache, or blurred vision may occur. Nail problems (such as nail bed swelling/tenderness/infection) may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If you have diarrhea or vomiting that is severe or doesn't stop, your doctor may need to check your blood mineral levels and adjust your vandetanib treatment. Temporary hair loss may occur. Normal hair growth should return after treatment has ended. 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. Vandetanib can commonly cause a rash that is usually not serious. Mild to moderate skin reactions include acne, dry skin, or a mildly irritated/red/itchy rash. However, you may not be able to tell it apart from a rare rash that could be a sign of </s>