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Fasenra Injection

Benralizumab (30mg)
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Fasenra Injection is a medicine used as an add-on maintenance treatment for severe eosinophilic asthma in adults and children aged 6 years. It is also used to treat eosinophilic granulomatosis with polyangiitis (EGPA) in adults and hypereosinophilic syndrome (HES) in adults and children aged 12 years and older.

Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 24 Aug 2026 | 01:01 AM (IST)
₹189823 MRP ₹210937.510% off 
 
 
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Fasenra Injection image
Fasenra Injection image

Product introduction

Fasenra Injection is given as an injection under the skin (subcutaneous injection). The dose and treatment schedule depend on the condition being treated. It is commonly administered by a doctor or a nurse. To get the most benefit from treatment, attend all scheduled appointments and receive your injections on time.


The most common side effects of Fasenra Injection are headache, pharyngitis (sore throat), hypersensitivity, and flu-like symptoms. They often go away on their own; however, if any of these persist or worsen, consult your doctor.


Before starting Fasenra Injection, tell your doctor if you have a history of allergic reactions to benralizumab or any other medication. Avoid receiving live vaccines while on Fasenra Injection, as the medication may weaken your immune response. If you are pregnant, planning to become pregnant, or breastfeeding, discuss this with your doctor.

Uses of Fasenra Injection

Benefits of Fasenra Injection

Treatment of Severe Eosinophilic Asthma
Fasenra Injection helps treat severe eosinophilic asthma by reducing eosinophils (a type of white blood cell), which cause airway inflammation, leading to fewer asthma attacks and better symptom control. It improves breathing, reduces the need for rescue inhalers, and minimizes reliance on oral corticosteroids, improving overall quality of life for patients.
Treatment of Hypereosinophilic Syndrome (HES)
Hypereosinophilic syndrome (HES) is a condition in which the body produces too many eosinophils, a type of white blood cell that can damage organs and cause symptoms. Fasenra Injection helps lower the number of eosinophils, which reduces inflammation and helps control the disease. This helps reduce the risk of HES flare-ups and helps improve symptoms.
Treatment of Eosinophilic Granulomatosis with Polyangiitis (EPGA)
Eosinophilic granulomatosis with polyangiitis (EGPA) is a condition in which high levels of eosinophils cause inflammation of small blood vessels and can affect organs such as the lungs, skin, nerves, and sinuses. Fasenra Injection helps lower the number of eosinophils, which reduces inflammation and helps control the disease. This can help reduce symptoms and lower the risk of disease flare-ups.

Side effects of Fasenra Injection

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Fasenra
  • Headache
  • Sore throat
  • Hypersensitivity
  • Flu-like symptoms

How to use Fasenra Injection

Your doctor or nurse will give you this medicine. Kindly do not self administer.

How Fasenra Injection works

Fasenra Injection works by targeting and reducing eosinophils, a type of white blood cell that can cause inflammation in conditions such as severe eosinophilic asthma, eosinophilic granulomatosis with polyangiitis (EGPA), and hypereosinophilic syndrome (HES). Lowering the number of these cells helps reduce inflammation, improve symptom control, and lower the risk of disease flare-ups.

Quick tips

  • It is very important to follow the dosing plan prescribed by your doctor. The first three doses are given every 4 weeks, then every 8 weeks after that. Missing doses can reduce the effectiveness of Fasenra Injection in controlling your asthma.
  • Fasenra Injection is often used alongside other asthma treatments, like inhalers or corticosteroids. Do not stop using your other medications unless your doctor tells you to, even if your symptoms improve.
  • Keep a diary of your asthma symptoms, including how often you use rescue inhalers and the severity of any flare-ups. This will help your doctor evaluate how well Fasenra Injection is working for you.
  • Regular follow-ups with your doctor are essential to monitor your response to Fasenra Injection and adjust your treatment if needed.
  • Understanding your type of asthma can help you better manage the condition. Fasenra Injection specifically targets eosinophilic asthma, which is caused by high levels of eosinophils in the body. Learn how this impacts your overall health and asthma management.
  • Fasenra Injection reduces asthma attacks, but it may not prevent them entirely. Always have your rescue inhaler on hand and know when to seek emergency medical help if your asthma suddenly worsens.
  • Managing asthma also includes maintaining a healthy lifestyle. Regular exercise, avoiding asthma triggers (such as smoking or allergens), and maintaining a balanced diet can complement your treatment and enhance overall lung function.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Fasenra Injection. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Fasenra Injection is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Fasenra Injection during breastfeeding is not available. Please consult your doctor.
Driving

Driving

CAUTION
Fasenra Injection may cause dizziness or weakness due to changes in blood pressure. Do not drive if these symptoms occur.
Kidney

Kidney

SAFE IF PRESCRIBED
Fasenra Injection is probably safe to use in patients with kidney disease. Limited data suggest dose adjustment may not be needed.
Liver

Liver

SAFE IF PRESCRIBED
Fasenra Injection is safe to use in patients with liver disease. No dose adjustment is recommended.
All

Frequently asked questions

Fasenra Injection is used to treat severe eosinophilic asthma in people aged 6 and older. It helps reduce asthma attacks by lowering the number of eosinophils (a type of white blood cell) in the body, which contribute to airway inflammation.
Fasenra Injection is given as a subcutaneous (under the skin) injection, typically by a doctor or a nurse. After the initial three doses, which are given once every 4 weeks, the injections are spaced out to once every 8 weeks.
Some patients may notice improvements in their asthma symptoms within the first few weeks, but it can take a few months for the full benefits of Fasenra Injection to be seen. Adherence to the dosing schedule is important to achieve the best results.
Yes. Fasenra Injection is often used alongside other asthma medications, such as inhalers or corticosteroids. It is important not to stop any medications without your doctor's approval, even if you feel better.
You should avoid live vaccines while being treated with Fasenra Injection, as the medicine may weaken your immune response. Non-live vaccines are generally safe, but consult your doctor before receiving any vaccinations.
The safety of Fasenra Injection during pregnancy and breastfeeding is not fully understood. If you are pregnant, planning to become pregnant, or breastfeeding, talk to your doctor about the risks and benefits of using the medicine.
No, Fasenra Injection does not cure asthma, but it helps manage and control symptoms in people with severe eosinophilic asthma. It reduces the frequency of asthma attacks and improves overall lung function when used regularly as prescribed.
There are no specific dietary restrictions with Fasenra Injection, but avoid stopping your asthma medications suddenly or skipping doses. Additionally, live vaccines should be avoided. Always consult your doctor before making any changes to your treatment plan.

Fact Box

Chemical Class

Peptides

Habit Forming

No

Therapeutic Class

RESPIRATORY

Action Class

Monoclonal Antibodies (mAbs)
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: AstraZeneca
Address: Corporate & Registered Office, Block N1, 12th Floor, Manyata Embassy Business Park, Rachenahalli, Outer Ring Road, 560045, Bangalore

Vendor Details

Country of origin: India
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