 <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]  a continuous injection using an infusion pump placed under your skin. The dosage is based on your medical condition and response to treatment. For children, the dosage may also be based on weight. Do not increase your dose, use the medication more often, or use it for a longer time than prescribed. Properly stop the medication when so directed. Pain medications work best if they are used when the first signs of pain occur. If you wait until the pain has worsened, the medication may not work as well. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Before injecting each dose, clean the injection site with rubbing alcohol. If this medication is given into a muscle or under the skin, it is important to change the location of the injection site with each dose to avoid problem areas under the skin. Learn how to store and discard needles and medical supplies safely. Consult your pharmacist for more details. If nausea occurs, consult your doctor or pharmacist for ways to decrease it (such as lying down for 1 to 2 hours with as little head movement as possible). Suddenly stopping this medication may cause withdrawal, especially if you have used it for a long time or in high doses. To prevent withdrawal, your doctor </s>