Common Celebrex side effects include:

• abdominal pain
• diarrhea
• upset stomach
• gas or bloating
• nausea
• cough
• upper respiratory infection

Less frequent, more serious side effects may occur. See "Precautions To Take". Some of these side effects include:

• heart attack
• stroke
• high blood pressure
• heart failure from body swelling (fluid retention)
• kidney problems including kidney failure
• bleeding and ulcers in the stomach and intestine
• low red blood cells (anemia)
• life-threatening skin reactions
• life-threatening allergic reactions
• liver problems including liver failure
• asthma attacks in people who have asthma

Get emergency help right away if you have any of the following symptoms:

• shortness of breath or trouble breathing
• chest pain
• weakness in one part or side of your body
• slurred speech
• swelling of the face or throat

Stop taking Celebrex and call your healthcare provider right away if you have any of the following symptoms:

• nausea
• more tired or weaker than usual
• itching
• your skin or eyes look yellow
• stomach pain
• flu-like symptoms
• vomit blood
• there is blood in your bowel movement or it is black and sticky like tar
• skin rash or blisters with fever
• unusual weight gain
• swelling of the arms and legs, hands and feet

This is not a complete list of Celebrex side effects. Ask your doctor or pharmacist for more information.