 <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]  as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.  Storage Store in the refrigerator. Do not freeze. Use this medication immediately after mixing or within the time period indicated in the product instructions. Discard any unused portion remaining in the vial. Keep all medications away from children and pets. Do not flush medications 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 Dilaudid Oral: This medication is used to help relieve moderate to severe pain. Hydromorphone belongs to a class of drugs known as opioid analgesics. It works in the brain to change how your body feels and responds to pain. How to use Dilaudid Read the Medication Guide provided by your pharmacist before you start taking hydromorphone and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth as directed by your doctor. You may take this drug with or without food. If you have nausea, it may help </s>