Generic Name: Benralizumab Auto-Injectors (ben ra LIZ ue mab)
Brand Name: Fasenra
Medically reviewed by Drugs.com. Last updated on Feb 8, 2021.
Uses of Fasenra:
- It is used to treat asthma.
- Do not use Fasenra (benralizumab auto-injectors) to treat an asthma attack. Use a rescue inhaler. Talk with your doctor.
What do I need to tell my doctor BEFORE I take Fasenra?
- If you are allergic to Fasenra (benralizumab auto-injectors); any part of Fasenra (benralizumab auto-injectors); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you have or may have a worm infection.
This is not a list of all drugs or health problems that interact with Fasenra (benralizumab auto-injectors).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Fasenra (benralizumab auto-injectors) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Fasenra?
- Tell all of your health care providers that you take Fasenra (benralizumab auto-injectors). This includes your doctors, nurses, pharmacists, and dentists.
- Call your doctor right away if your breathing problems get worse, if your rescue inhaler does not work as well, or if you need to use your rescue inhaler more often.
- Allergic reactions have happened with Fasenra (benralizumab auto-injectors). Most of the time, allergic reactions happen within hours after Fasenra (benralizumab auto-injectors) was given. Sometimes, they can happen days after Fasenra (benralizumab auto-injectors) was given. Talk with the doctor.
- If you are switching to Fasenra (benralizumab auto-injectors) from a steroid, do not stop taking the steroid all of a sudden. The dose of the steroid may need to be slowly lowered to avoid side effects. Talk with the doctor.
- Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.
How is this medicine (Fasenra) best taken?
Use Fasenra (benralizumab auto-injectors) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is given as a shot into the fatty part of the skin on the top of the thigh, belly area, or upper arm.
- If you will be giving yourself the shot, your doctor or nurse will teach you how to give the shot.
- Wash your hands before use.
- If stored in a refrigerator, let Fasenra (benralizumab auto-injectors) come to room temperature before mixing. Do not heat Fasenra (benralizumab auto-injectors).
- Do not shake.
- This product may contain small white particles. Do not use if the solution is cloudy, leaking, or has large lumps, flakes, or other particles.
- This medicine is colorless to a faint yellow. Do not use if the solution changes color.
- Do not give into skin within 2 inches of the belly button.
- Do not give into skin that is irritated, bruised, red, infected, or scarred.
- Remove all pen needle covers before injecting a dose (there may be 2). If you are not sure what type of pen needle you have or how to use it, talk with the doctor.
- Each container is for one use only. Use right after opening. Throw away any part of the opened container after the dose is given.
- Throw away needles in a needle/sharp disposal box. Do not reuse needles or other items. When the box is full, follow all local rules for getting rid of it. Talk with a doctor or pharmacist if you have any questions.
- Do not use Fasenra (benralizumab auto-injectors) if it has been dropped or if it is broken.
- Do not share pen or cartridge devices with another person even if the needle has been changed. Sharing these devices may pass infections from one person to another. This includes infections you may not know you have.
What do I do if I miss a dose?
- Call your doctor to find out what to do.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Dizziness or passing out.
- Trouble breathing that is new or worse.
What are some other side effects of Fasenra?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Fasenra?
- Store in a refrigerator. Do not freeze.
- Do not use if it has been frozen.
- If needed, you may store at room temperature for up to 14 days. Write down the date you take Fasenra (benralizumab auto-injectors) out of the refrigerator. If stored at room temperature and not used within 14 days, throw Fasenra (benralizumab auto-injectors) away.
- Store in the original container to protect from light.
- Protect from heat.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Fasenra (benralizumab auto-injectors), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Frequently asked questions
- Does Fasenra weaken your immune system?
- How long does Fasenra take to work?
- What is Fasenra used for and how does it work?
- What type of asthma is Fasenra used to treat?
More about Fasenra (benralizumab)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Patient Tips
- En Español
- 29 Reviews
- Drug class: interleukin inhibitors
- FDA Approval History
Related treatment guides
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.