At PharmaEssentia, we’re committed to giving you the answers you need. Here are some answers to frequently asked questions.
Enrolling is easy. You can call PharmaEssentia SOURCE at 800-700-5053 to begin enrollment or work with your doctor to complete the Enrollment Form. Forms must be faxed to 800-700-5065.
Once you enroll in PharmaEssentia SOURCE, your PharmaEssentia SOURCE Case Manager will call you to understand your needs and address your questions about BESREMi® (ropeginterferon alfa-2b-njft). Together, you’ll make a plan so you’re ready to begin therapy.
Your PharmaEssentia SOURCE Case Manager will connect with your insurance company to learn the details of your coverage and help you understand your out-of-pocket costs.
PharmaEssentia SOURCE can help you learn more about the financial support that may be available to you. Call us at 800-700-5053 for more information.
There are several ways you can get help learning how to give yourself an injection:
Before administering BESREMi Pen or the prefilled syringe, it's important to know your dose. Your doctor will tell you the correct dose you should take.
Talk to your doctor about writing you a new prescription for BESREMi Pen.
Before using BESREMi, please check that your package contains all the necessary components. If a component is missing, do not use the medication and contact your dispensing pharmacy. You can find their contact information on your BESREMi prescription label.
If you believe you received a damaged product or observe any product issues, do not use the medication. Please contact your dispensing pharmacy for a new package. You can find their contact information on your BESREMi prescription label. It is important that you keep the original packaging to help with investigating any quality issues.
If you experience any side effects while taking your medicine, please call your doctor right away.
To report suspected adverse reactions, contact PharmaEssentia at
800-999-2449 or FDA at 800-FDA-1088.
Still have questions? Call our dedicated PharmaEssentia SOURCE Case Managers at 800-700-5053 between 8:00 AM and 8:00 PM ET, Monday through Friday.
© 2026 PharmaEssentia Corporation. All rights reserved.
BESREMi, the BESREMi logo, and PharmaEssentia are registered trademarks of PharmaEssentia Corporation, and BESREMi Pen, the BESREMi Pen logo, the PharmaEssentia logo, PharmaEssentia SOURCE, and the PharmaEssentia SOURCE logo are trademarks of PharmaEssentia Corporation.
US-BSRM-2100060 (v10.0) 09/2026
