 <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]  it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Oxaprozin Oral: Oxaprozin is used to treat arthritis. It reduces pain, swelling, and stiffness of the joints. Oxaprozin is known as a nonsteroidal anti-inflammatory drug (NSAID).If you are treating a chronic condition such as arthritis, ask your doctor about non-drug treatments and/or using other medications to treat your pain. See also Warning section. How to use Oxaprozin Read the Medication Guide provided by your pharmacist before you start taking oxaprozin 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, usually once daily. Drink a full glass of water (8 ounces/240 milliliters) with it unless your doctor directs you otherwise. Do not lie down for at least 10 minutes after taking this drug. If stomach upset occurs while taking this medication, take it with food, milk, or an antacid. The dosage is based on your medical condition, body weight, and response to treatment. The manufacturer recommends that adults should not take more than 1,800 millig </s>