Preventing and controlling bleeding in patients with factor IX deficiency (hemophilia B or Christmas disease), including control and prevention of bleeding in surgical settings.
BeneFix is a synthetic protein, clotting factor IX. It works by helping the blood form clots, which stops bleeding.
Contact your doctor or health care provider right away if any of these apply to you.
Some medical conditions may interact with BeneFix . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
Some MEDICINES MAY INTERACT with BeneFix . However, no specific interactions with BeneFix are known at this time.
This may not be a complete list of all interactions that may occur. Ask your health care provider if BeneFix may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
Use BeneFix as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use BeneFix .
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Mild chills; nausea; stinging at the injection site.Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chills; faintness; fever; flushing; headache; lethargy; lightheadedness, especially upon standing; nausea; rapid heart rate; vomiting.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately.Proper storage of BeneFix :
Store the unmixed medicine in the refrigerator between 36 and 46 degrees F (2 and 8 degrees C). Do not freeze. Prior to the expiration date, it may also be stored at room temperature not to exceed 77 degrees F (25 degrees C) for up to 6 months. You should make note of the date the product was placed at room temperature in the space provided on the outer carton. The product does not contain a preservative. After mixing it may be stored between 36 and 46 degrees F (2 and 8 degrees C) and must be used within 3 hours. Do not freeze. Keep BeneFix out of the reach of children and away from pets.
This information is a summary only. It does not contain all information about BeneFix . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.