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We'd like to send you helpful information on hemophilia B and ALPROLIX from time to time. If you're still considering ALPROLIX we'll send you a Bluetooth® speaker to listen to patient stories or if you're already on ALPROLIX, a cooler bag for factor.

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Watch Their Stories

indications and important facts about alprolix 

What is the most important information i should know about ALPROLIX® [Coagulation Factor IX (Recombinant), Fc Fusion Protein]? You should not use ALPROLIX if you are allergic to ALPROLIX or any of the other ingredients in ALPROLIX. Tell your healthcare provider if you have had an allergic reaction to any Factor IX product prior to using ALPROLIX.
Allergic reactions may occur. Call your healthcare provider or get emergency treatment right away if you have any of the following symptoms: hives, chest tightness, wheezing, difficulty breathing, or swelling of the face.

ALPROLIX may increase the risk of forming abnormal blood clots in your body, especially if you have risk factors for developing blood clots. Call your healthcare provider or seek emergency care if you have symptoms of a possible abnormal blood clot, which may include: chest pain, difficulty breathing, unexpected swelling of an arm or leg with or without pain or tenderness.

Your body can also make antibodies called "inhibitors" against ALPROLIX, which may stop ALPROLIX from working properly. Your healthcare provider may need to test your blood for inhibitors from time to time.

THE MOST COMMON SIDE EFFECTS OF ALPROLIX INCLUDE: headache, abnormal sensation in the mouth, and pain in your side with blood in your urine, which may be a sign of clot formation in the urinary collecting system. These are not all the possible side effects of ALPROLIX. Talk to your healthcare provider for more information and about any side effect that bothers you or does not go away.


Tell your healthcare provider about all your health conditions, including if you:

  • Have or have had any medical problems.
  • Are taking any prescription and non-prescription medicines, such as over-the-counter medicines, supplements, or herbal medicines.
  • Are pregnant or planning to become pregnant. It is not known if ALPROLIX may harm your unborn baby.
  • Are breastfeeding. It is not known if ALPROLIX passes into breast milk or if it can harm your baby.
  • Have been told that you have inhibitors to Factor IX (because ALPROLIX may not work for you).


If your bleeding is not controlled and you experience a lack of clinical response to Factor IX therapy, call your healthcare provider right away.

Medicines are sometimes prescribed for purposes other than those listed here. Do not use ALPROLIX for a condition for which it was not prescribed. Do not share ALPROLIX with other people, even if they have the same symptoms that you have.


ALPROLIX is an injectable medicine that is used to help control and prevent bleeding in people with hemophilia B. Hemophilia B is also called congenital Factor IX deficiency.

Your healthcare provider may give you ALPROLIX when you have surgery.


ALPROLIX should be administered as ordered by your healthcare provider. You should be trained on how to do infusions by your healthcare provider. Many people with hemophilia B learn to infuse ALPROLIX by themselves or with the help of a family member. See the booklet called "Instructions for Use" packaged in your ALPROLIX for directions on infusing ALPROLIX. If you are unsure of the procedure, please ask your healthcare provider.


Please read this information carefully before using ALPROLIX and each time you get a refill, as there may be new information. This information does not take the place of talking with your healthcare provider about your medical condition or your treatment.


The risk information provided here is not comprehensive. To learn more, talk about ALPROLIX with your healthcare provider or pharmacist.
The FDA-approved product labeling can be found at www.alprolix.com or 1-855-MyALPROLIX (692-5776).

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.


Bioverativ Therapeutics Inc.
Waltham, MA 02451 USA
U.S. License #2078

Please see Full Prescribing Information


1-855-MYALPROLIX (1-855-692-5776)

Monday-Friday, 8am-8pm, EST

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©2018 Bioverativ, a Sanofi Company. All rights reserved.

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1-855-MYALPROLIX (1-855-692-5776)

Monday-Friday, 8am-8pm, EST