rituximab - injection, Rituxan (cont.)
SIDE EFFECTS: See also Warning section.Headache, fever, chills, nausea, heartburn, flushing, weakness, or dizziness may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.Many people using this medication have serious side effects. However, your doctor has prescribed this drug because he or she has judged that the benefit to you is greater than the risk of side effects. Careful monitoring by your doctor may decrease your risk.Tell your doctor right away if you have any serious side effects, including: back/joint/muscle pain, increased thirst/urination, swelling of the hands/feet, tingling of the hands/feet.Rituximab sometimes causes side effects due to the rapid destruction of cancer cells (tumor lysis syndrome). To lower your risk, drink plenty of fluids unless your doctor directs you otherwise. Also, your doctor may prescribe an additional medication. Tell your doctor right away if you have symptoms such as: low back/side pain (flank pain), pink/bloody urine, change in the amount of urine, painful urination, muscle spasms/weakness.This medication can cause a decrease in blood cells (cytopenia), which can cause bleeding problems and lower the body's ability to fight an infection. This serious side effect can happen days, weeks, or months after your treatment has finished. Notify your doctor promptly if you develop any of the following side effects: easy bleeding/bruising, black/tarry stools, vomit that looks like coffee grounds, signs of an infection (such as fever, chills, persistent sore throat, painful urination).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.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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