Get emergency medical help if you have signs of an allergic reaction to Relafen: (hives, sneezing, runny or stuffy nose, wheezing, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).
Get emergency medical help if you have signs of a heart attack or stroke: chest pain spreading to your jaw or shoulder, sudden numbness or weakness on one side of the body, slurred speech, feeling short of breath.
Stop using Relafen and call your doctor at once if you have:
shortness of breath (even with mild exertion);
swelling or rapid weight gain;
the first sign of any skin rash, no matter how mild;
signs of stomach bleeding - bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;
liver problems - nausea, upper stomach pain, itching, tired feeling, flu-like symptoms, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
kidney problems - little or no urinating, painful or difficult urination, swelling in your feet or ankles, feeling tired or short of breath; or
low red blood cells (anemia) - pale skin, unusual tiredness, feeling light-headed or short of breath, cold hands and feet.
Common Relafen side effects may include:
stomach pain, indigestion, nausea;
diarrhea, constipation, gas;
swelling in your hands and feet;
headache, dizziness;
itching, skin rash; or
ringing in your ears.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Relafen side effects (more detail)
