 <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]  headache). Do not use medications more often or for longer than directed. Tell your doctor if you need to use this medication more often, or if the medication is not working as well, or if your headaches get worse. Consult your doctor if your condition lasts or gets worse (for example, if you have new or unusual symptoms, redness or swelling of the painful area, pain or fever that does not go away or gets worse).The side effects of Extraprin Oral: See also Warning section. Nausea, vomiting, stomach upset, trouble falling asleep, or a shaky/nervous feeling may occur. If any of these effects last or get worse, notify your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that 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. Stop taking this medication and tell your doctor right away if you have any serious side effects, including: stomach/abdominal pain that is severe or doesn't go away, severe dizziness, fainting, vomit that looks like coffee grounds, black/bloody stools, ringing in the ears, loss of hearing, irregular/fast </s>