 <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]  down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Tencon Oral: This combination medication is used to treat tension headaches. Acetaminophen helps to decrease the pain from the headache. Butalbital is a sedative that helps to decrease anxiety and cause sleepiness and relaxation. How to use Tencon See also Warning section. Take this medication by mouth with or without food as directed by your doctor, usually every 4 hours as needed. Do not take more than 300 milligrams of butalbital in a 24-hour period. The dosage is based on your medical condition and response to treatment. This medication works best if it is used as the first signs of a headache occur. If you wait until the headache has worsened, the medication may not work as well. If you suddenly stop using this medication, you may have withdrawal symptoms (such as nausea/vomiting, mental/mood changes, seizures). To help prevent withdrawal, your doctor may lower your dose slowly. Withdrawal is more likely if you have used this medication for a long time or in high doses. Tell your </s>