Nausea, vomiting, diarrhea, headache, dizziness, jaw pain, flushing, loss of appetite, weakness, abdominal pain, and redness/swelling/pain at the injection site may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.Remember that this medication has been prescribed because your doctor 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: new/worsening swelling of the arms/legs, mental/mood changes (such as restlessness, nervousness), unusual bleeding/bruising.To avoid infection, follow your health care professional's instructions for proper handling of this medication. Tell your doctor right away if you develop any signs of infection (such as fever, chills).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.