 <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]  medication by mouth without food as directed by your doctor, usually once daily. It is very important to take this medication on an empty stomach, at least 1 hour before or 2 hours after food. Swallow whole. Do not crush or chew extended-release tablets. Doing so can release all of the drug at once, increasing the risk of side effects. The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Children's dosage is also based on weight. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). It is important to take all doses on time to keep the level of medication in your blood constant. Take doses at evenly spaced intervals. Do not skip doses. Do not suddenly stop taking this drug without your doctor's approval since seizures may reoccur. Tell your doctor if seizure control worsens.The side effects of Oxtellar XR Oral: Dizziness, drowsiness, fatigue, nausea, vomiting, or headache may occur. If </s>