 <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] cle pain, headache, vision changes, fast/slow/pounding heartbeat, numbness/tingling of arms/legs, pain/redness/swelling of arms/legs, change in skin color near injection site or on arms/legs, uncontrolled movements, inability to move, signs of kidney problems (such as change in the amount of urine), new signs of infection (such as sore throat that doesn't go away, fever), easy bruising/bleeding, dark/cloudy urine, seizures, mental/mood changes (such as depression, agitation). Get medical help right away if you have any very serious side effects, including: chest pain, trouble speaking, fainting. This medication has rarely caused a very serious (possibly fatal) blood disorder (methemoglobinemia). This effect is more likely if you have breathing problems, certain diseases of the blood, or if you smoke (see also Precautions section). The symptoms of this disorder may occur within minutes to a couple of hours after using this medication. Stop using this medication and get medical help right away if you develop any symptoms of methemoglobinemia, including: headache, confusion, dizziness, shortness of breath, tiredness, pale/b </s>