Nabumetone (By mouth)
Treats pain and arthritis. This medicine is an NSAID.
Relafen, Relafen DSThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:
This medicine is not right for everyone. Do not use it if you had an allergic reaction to nabumetone, aspirin, or similar medicines. Do not use it right before or after a heart surgery called coronary artery bypass graft (CABG).
How to Use This Medicine:
- 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 aspirin or any other NSAID medicine (including diclofenac, diflunisal, ibuprofen, naproxen, salsalate) unless your doctor says it is okay.
- Some medicines can affect how nabumetone works. Tell your doctor if you are using any of the following:
- Lithium, methotrexate
- Blood pressure medicine (including ACE inhibitors, ARBs)
- 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 a pregnancy, unless your doctor tells you to.
- Tell your doctor if you are breastfeeding, or if you have kidney disease, liver disease, heart disease, anemia, asthma, high blood pressure, or a history of stomach or bowel problems (including bleeding, ulcers).
- 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)
- Liver problems
- High blood pressure
- Kidney problems
- Serious skin reactions, including exfoliative dermatitis, Stevens-Johnson syndrome, toxic epidermal necrolysis, and drug reaction with eosinophilia and systemic symptoms (DRESS)
- This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds.
- 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.
- 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, vomiting blood or material that looks like coffee grounds
- Change in how much or how often you urinate, painful or difficult urination
- 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
- Numbness or weakness on one side of your body, sudden or severe headache, problems with vision, speech, or walking
- Rapid weight gain, swelling in your hands, ankles, or feet
- Unusual bleeding, bruising, or weakness
If you notice these less serious side effects, talk with your doctor:
- Constipation, diarrhea, passing gas, stomach upset
- Ringing in the ears
- Sores or white patches on your lips, mouth, or throat
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: 6/2/2022
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