 <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] .  Missed Dose If you miss a dose, use it as soon as you remember if it is more than 24 hours before your next scheduled dose. If it is less than 24 hours before the next scheduled dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.  Storage Store the unmixed drug in the original container in the refrigerator away from light. After mixing, store at room temperature away from light. Use within 3 hours of mixing, and discard any unused portion. Do not store in the bathroom. 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 Zepzelca Intravenous: This medication is used to treat lung cancer. Lurbinectedin belongs to a class of drugs known as alkylating agents. It works by slowing or stopping the growth of cancer cells. How to use Zepzelca 4 Mg Intravenous Solution Alkylating Agents Read the Patient Information Leaflet if available from your pharmacist before you </s>