Get emergency medical help if you have signs of an allergic reaction to celecoxib (hives, 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, leg swelling, feeling short of breath.
Stop using this medicine and call your doctor at once if you have:
the first sign of any skin rash, no matter how mild;
heart problems - swelling, rapid weight gain, feeling short of breath;
signs of stomach bleeding - bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;
liver problems - nausea, stomach pain (upper right side), itching, tiredness, dark urine, jaundice (yellowing of the skin or eyes);
kidney problems - little or no 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 celecoxib side effects may include:
stomach pain, heartburn, gas, diarrhea, constipation, nausea, vomiting;
swelling in your hands or feet;
dizziness; or
cold symptoms such as stuffy nose, sneezing, sore throat.
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.
 Celecoxib side effects (more detail)
