Pain at injection site, chills, tingling, flushing, headache, nausea, or vomiting 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: swelling at injection site, fast heartbeat, shortness of breath, change in the amount of urine, swelling of the ankles/feet, pain/redness/swelling of arms or legs, new or increased bleeding/bruising.
Get medical help right away if any of these rare but very serious side effects occur: chest pain, trouble breathing, bluish fingers.
This medication is made from human blood. Even though donors are carefully screened and this medication goes through a special manufacturing process, there is a very small chance that you may get infections from the medication (e.g., viral infections such as hepatitis). Tell your doctor immediately if you develop any signs of hepatitis/another infection, including fever, persistent sore throat, unusual tiredness, persistent nausea/vomiting, yellowing eyes/skin, dark urine.
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.