 <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]  for the short-term treatment of moderate to severe pain. It is usually used before or after medical procedures or after surgery. Reducing pain helps you recover more comfortably so that you can return to your normal daily activities. This medication is a nonsteroidal anti-inflammatory drug (NSAID). It works by blocking your body's production of certain natural substances that cause inflammation. This effect helps to decrease swelling, pain, or fever.Ketorolac should not be used for mild or long-term painful conditions (such as arthritis). How to use Ketorolac TROMETHAMINE Syringe Read the Medication Guide and, if available, the Patient Information Leaflet provided by your pharmacist before you start using ketorolac. If you have any questions, ask your doctor or pharmacist. This medication is given by injection into a muscle or vein as directed by your doctor. It may be given as a one-time dose or given on a regular schedule. If given on a regular schedule, it is usually injected every 6 hours as needed, or as directed by your doctor. This drug must not be injected into the spine. Dosage is based on your medical condition and response to treatment. To reduce your risk of stomach bleeding and other side </s>