Diarrhea, headache, mouth pain/sores, runny nose, voice changes, weight loss, weakness, tiredness, or darkening of the skin may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: signs of kidney problems (such as change in the amount of urine), swelling hands/ankles/feet, severe/persistent diarrhea, signs of dehydration (such as muscle cramps, extreme thirst, dizziness), pain/redness/swelling/tingling/burning of the hands/feet, slow wound healing.
Get medical help right away if you have any very serious side effects, including: chest pain, weakness on one side of the body, slurred speech, confusion, vision changes, seizure.
This medication may cause serious (possibly fatal) bleeding. It may also rarely cause a hole to open in the stomach or intestines (gastrointestinal perforation). Tell your doctor right away if you have symptoms such as stomach/abdominal pain that doesn't go away, easy or unusual bleeding/bruising (such as from cuts, gums, nosebleeds), pink/dark urine, bloody or black/tarry stools, vomit that looks like coffee grounds, coughing up blood, lightheadedness, unusual tiredness/weakness.
This medication may lower your ability to fight infections. This may make you more likely to get a serious (rarely fatal) infection or make any infection you have worse. Tell your doctor right away if you have any signs of infection (such as sore throat that doesn't go away, fever, chills, cough).
This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high. Your doctor may control your blood pressure with medication.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.