 <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]  Use only the insulin product that your doctor has prescribed for you. Do not change the insulin you use unless your doctor has given you instructions on how to do so. Follow your doctor's instructions carefully. Following a change in insulin, you may need a dosage change. Know the symptoms of low blood sugar and high blood sugar (see Side Effects section). Tell your doctor right away if you experience symptoms of high or low blood sugar. Do not use this medication when you have low blood sugar. You may experience blurred vision, dizziness, or drowsiness due to extremely low or high blood sugar. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcohol while taking this medication because it can increase the risk of developing low blood sugar. During times of stress, such as fever, infection, injury, or surgery, it may be more difficult to control your blood sugar. Consult your doctor because a change in your treatment plan may be required. Changes in your lifestyle or activity level may affect the amount of insulin your body needs to control blood sugar. If you notice an unusual change in your insulin needs, tell your doctor. Check your blood sugar before and after exercise. You may need </s>