Get to know highest-storage temperature Esperoct® [antihemophilic factor (recombinant), glycopegylated-exei] View online
Important Safety Information  |  Prescribing Information
Esperoct antihemophilic factor (recombinant), glycopegylated-exei logo.
Esperoct® is used to treat and prevent or reduce the number of bleeding episodes in people with hemophilia A.
Beat the heat with Esperoct®
The only extended half-life product that handles temperatures from 86°F up to 104°F.a
Illustrated mountain range in orange.
Illustrated mountain range in orange.
Life takes you on all kinds of adventures…through all kinds of weather! Explore our interactive map to learn something new (and surprising) about every US region—and discover why you’ll want Esperoct® as your treatment for hemophilia A in the passenger seat.
 Explore the Map 
Illustrated map of the United States.
aFor up to 3 months
Scroll to learn more about how Esperoct® can help you handle the heat.
Selected Important Safety Information
Who should not use Esperoct®?
  • You should not use Esperoct® if you are allergic to factor VIII or any of the other ingredients of Esperoct® or if you are allergic to hamster proteins
What is the most important information I need to know about Esperoct®?
  • Do not attempt to do an infusion yourself unless you have been taught how by your healthcare provider or hemophilia treatment center
  • Call your healthcare provider right away or get emergency treatment right away if you get any signs of an allergic reaction, such as: hives, chest tightness, wheezing, dizziness, difficulty breathing, and/or swelling of the face
Please click here or scroll below for additional Important Safety Information.
When the temperature rises, count on Esperoct® as your hemophilia A treatment
Esperoct product image with icon showing 104 degrees Fahrenheit.
No matter the season, keeping your factor cool is something you often have to plan for. That’s where Esperoct® comes in. Whether you’re enjoying a day at the beach or going through an unexpected power outage at home, Esperoct® can take the heat.
 Learn More 
Connect with your local Hemophilia Community Liaison (HCL)
Our HCLs are experienced, active in the hemophilia community, and can help you learn more about Esperoct®.
 Connect With Your HCL 
Two Hemophilia Community Liaisons smiling.
What is Esperoct®?
Esperoct® [antihemophilic factor (recombinant), glycopegylated-exei] is an injectable medicine to treat and prevent or reduce the number of bleeding episodes in people with hemophilia A. Your healthcare provider may give you Esperoct® when you have surgery
  • Esperoct® is not used to treat von Willebrand Disease
Important Safety Information (cont’d)
What should I tell my healthcare provider before using Esperoct®?
  • Before taking Esperoct®, you should tell your healthcare provider if you have or have had any medical conditions, take any medicines (including non-prescription medicines and dietary supplements), are nursing, pregnant or planning to become pregnant, or have been told that you have inhibitors to factor VIII
  • Your body can make antibodies called “inhibitors” against Esperoct®, which may stop Esperoct® from working properly. Call your healthcare provider right away if your bleeding does not stop after taking Esperoct®
What are the possible side effects of Esperoct®?
  • Common side effects of Esperoct® include rash or itching, and swelling, pain, rash or redness at the location of infusion
Please click here for Prescribing Information.
Esperoct® is a prescription medication.
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.
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Esperoct® is a registered trademark of Novo Nordisk Health Care AG.
Novo Nordisk is a registered trademark of Novo Nordisk A/S.
© 2021 Novo Nordisk  All rights reserved.  US21ESP00041  June 2021
Novo Nordisk logo.
Novo Nordisk logo.