Health Library

Oxaprozin (By mouth)

Oxaprozin (ox-a-PROE-zin)

Treats pain and arthritis. This medicine is an NSAID.

Brand Name(s):

Coxanto, Daypro

When This Medicine Should Not Be Used:

How to Use This Medicine:

Capsule, Tablet

• Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
• This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
• Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
• Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

• Do not use any other NSAID (including aspirin, celecoxib, diclofenac, diflunisal, ibuprofen, naproxen, or salsalate) unless your doctor says it is okay.
• Some foods and medicines can affect how oxaprozin works. Tell your doctor if you are using any of the following:
  • Cyclosporine, digoxin, glyburide, lithium, methotrexate, pemetrexed
  • Blood pressure medicine (including ACE inhibitors, ARBs, beta blockers)
  • Blood thinner (including warfarin)
  • Diuretic (water pill)
  • Medicine to treat depression (including SNRIs, SSRIs)
  • Steroid medicine
• Do not drink alcohol while you are using this medicine.

Warnings While Using This Medicine:

• Tell your doctor if you are pregnant. Do not use this medicine during the later part of pregnancy, unless your doctor tells you to.
• Tell your doctor if you are breastfeeding or if you have kidney disease, liver disease, asthma, bleeding disorder, heart disease, high blood pressure, heart failure, a recent heart attack, or a history of stomach or bowel problems (including bleeding or ulcers). Tell your doctor if you smoke or drink alcohol.
• This medicine may cause the following problems:
  • Increased risk of blood clots, heart attack, stroke, or heart failure
  • Stomach or bowel problems (including bleeding, ulcers, or perforation)
  • Kidney problems
  • Liver problems
  • High blood pressure
  • Serious skin reactions, including exfoliative dermatitis, Stevens-Johnson syndrome, toxic epidermal necrolysis, and drug reaction with eosinophilia and systemic symptoms (DRESS)
• This medicine may cause a delay in ovulation for women and may affect their ability to have children. If you plan to have children, talk with your doctor before using this medicine.
• Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
• Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
• This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds.
• Keep all medicine out of the reach of children. Never share your medicine with anyone.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

• Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
• Blistering, peeling, red skin rash
• Bloody or black, tarry stools, severe stomach pain, vomiting blood or material that looks like coffee grounds
• Chest pain that may spread, trouble breathing, coughing up blood, unusual sweating, fainting
• Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
• Decrease in how much or how often you urinate, rapid weight gain, swelling in your hands, ankles, or feet
• Fast, slow, or pounding heartbeat
• Numbness or weakness on one side of your body, sudden or severe headache, problems with vision, speech, or walking
• Unusual bleeding, bruising, or weakness

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 9/6/2024