 <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]  starts working well. Follow your doctor's instructions closely to reduce the risk of side effects. Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Take this medication exactly as prescribed to lower the risk of addiction. Ask your doctor or pharmacist for more details. When this medication is used for a long time, it may not work as well. Talk with your doctor if this medication stops working well. Tell your doctor if your condition lasts or gets worse.The side effects of Xanax XR Oral: See also Warning section. Drowsiness, dizziness, increased saliva production, nausea, constipation, or change in sex drive/ability may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To minimize dizziness and lightheadedness, get up slowly when rising from a seated 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: mental/mood </s>