Factor IX Complex IV

In Depth

Uses and How to Use
Dosage and Storage
Precautions and Side Effects
Drug Interactions

Generic Name: FACTOR IX, HUMAN - INJECTION
Pronounced: (FACK-ter nine)

Factor IX Complex IV Side Effects

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 immediately if any of these unlikely but serious side effects occur:

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

Seek immediate medical attention 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, seek immediate medical attention 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.

Call your doctor for medical advice about side effects. In the US, you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.

In Canada, you may report side effects to Health Canada at 1-866-234-2345.

Factor IX Complex IV Medical Alert

Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).