Fasenra is a prescription medicine used to treat the symptoms of Severe Asthma. Fasenra may be used alone or with other medications.

Fasenra belongs to a class of drugs called Interleukin Inhibitors; Monoclonal Antibodies, and Anti-asthmatics.

Benralizumab is a humanized monoclonal antibody (IgG1/κ-class) selective for the interleukin-5 receptor alpha subunit (IL­5Rα). Benralizumab is produced in Chinese hamster ovary cells by recombinant DNA technology. Benralizumab has a molecular weight of approximately 150 kDa.

Fasenra Info

Fasenra Side Effects

The most common side effects include: 

  • headache
  • bleeding, blistering, burning, discoloration, feeling of pressure, hives
  • body aches
  • pain
  • congestion
  • soreness of the throat
  • runny nose
  • tender, swollen glands in the neck


Patient Assistance Programs

There are several programs patients can sign up for that will assist in treatment costs:


To learn more about this treatment, browse the resources below.

Order Form

To download the order form for this treatment, click below.

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