See also Warning and How to Use section.
Headache, stomach pain, or nausea may occur. If any of these effects last or get worse, 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: joint/muscle pain, easy bruising/bleeding, seizures, confusion, muscle weakness, numbness/tingling of arms/legs, butterfly-shaped facial rash, pain/redness/swelling of arms or legs, new or worsening symptoms of heart failure (such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain).
Tell your doctor right away if you develop signs of infection while using this drug, such as: cough/sore throat that doesn't go away, fever, chills, night sweats, trouble breathing, painful/frequent urination, unusual vaginal discharge, white patches in the mouth (oral thrush).
This drug may rarely cause serious (possibly fatal) liver disease. Get medical help right away if you have any symptoms of liver damage, such as: extreme tiredness, nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine.
This medication may cause serious heart problems (such as heart attack) during the infusion and up to 24 hours after the start of the infusion. Get medical help right away if you have any symptoms of heart problems such as chest/jaw/left arm pain, shortness of breath, unusual sweating, lightheadedness, dizziness, fainting, vision changes, or fast/irregular/slow heartbeat.
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, difficulty swallowing.
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.