 <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]  long time, lab and/or medical tests (such as liver/kidney function, blood count) may be done to check for side effects. Keep all medical and lab appointments. Consult your doctor for more details. Because this product contains caffeine, taking it close to bedtime may give you trouble falling asleep. Limit the use of caffeine-containing medications, foods, or beverages while taking this product. If you take too much caffeine, you may become nervous or irritable, have trouble sleeping, or have fast heartbeat. If you are taking this product for headaches, it is best to avoid certain foods that may trigger your headaches. Lifestyle changes such as stress reduction programs, exercise, and dietary changes may help prevent headaches. Talk to your doctor or pharmacist about lifestyle changes that might benefit you.  Missed Dose If you are taking this medication on a regular schedule and miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.  Storage Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down </s>