Arexvy (respiratory syncytial virus vaccine, adjuvanted) is a brand-name drug that’s prescribed for prevention of lower respiratory tract disease in some adults. Arexvy comes as a liquid solution for injection that’s typically given by a healthcare professional.
Arexvy is approved by the Food and Drug Administration (FDA) to prevent lower respiratory tract disease caused by respiratory syncytial virus (RSV) in adults 60 years and older
Arexvy is a biologic and belongs to a drug class called recombinant vaccines. Arexvy is not available in a biosimilar version.
Keep reading for specific information about the dosage of Arexvy, including its strength and how the medication is given. For a comprehensive look at Arexvy, see this article.
Note: This article describes typical dosages for Arexvy provided by the drug’s manufacturer. However, your doctor will prescribe the Arexvy dosage that’s right for you.
Read below for the recommended dosage of Arexvy and other details about the drug.
Arexvy form
Arexvy comes as two vials (one liquid, one powder) that are mixed to form a liquid solution that’s given as an intramuscular injection. Your doctor, pharmacist, or another healthcare professional will give you the injection.
Arexvy strength
Arexvy comes in one strength of a single dose vial of 120 micrograms per 0.5 milliliters (mcg/mL) of solution.
Typical dosages
The following information describes the dosage that is commonly recommended. Your doctor will determine the best dosage to fit your needs.
Dosage for prevention of lower respiratory tract disease caused by RSV
Doctors may prescribe Arexvy to prevent lower respiratory tract disease caused by RSV in adults 60 years and older.
If your doctor prescribes Arexvy for you, you’ll likely receive a single dose of Arexvy to help prevent RSV.
For more information about your Arexvy injection, talk with your doctor.
Long-term treatment
Arexvy is typically given as a one-time dose.
Arexvy comes as two vials (one liquid, one powder) that are mixed to form a liquid solution. It’s given as an intramuscular injection.
Your doctor or another healthcare professional will give you the intramuscular injection of Arexvy. First, they’ll mix the powder form of Arexvy with a liquid to make a solution. Then, they’ll prepare the liquid solution for injection. You’ll likely go to your doctor’s office or a pharmacy to receive your injection.
If you have questions about how to use Arexvy, talk with your doctor or pharmacist. There’s also helpful information on the manufacturer’s website.
Below are some frequently asked questions about Arexvy.
Is the dosage of Arexvy similar to the dosage of Abrysvo?
Yes, the forms and how often you take each drug are similar. Arexvy and Abrysvo (respiratory syncytial virus vaccine) both come in two vials mixed to form liquid solutions.
Both are given as a one-time intramuscular injection.
Both are approved for adults 60 years and older. Additionally, Abrysvo is approved for pregnant people in weeks 32–36 of pregnancy.
Your doctor will prescribe the drug and the dosage that’s right for you.
To learn more about how these drugs compare, talk with your doctor.
How long does it take for Arexvy to start working?
Arexvy starts to work right away. Because of how the drug works, you likely won’t feel the drug working in your body.
Talk with your doctor if you have questions about what to expect with Arexvy treatment.
The dosages in this article are typical dosages provided by the drug’s manufacturer. If your doctor recommends Arexvy for you, they will prescribe the dosage that’s right for you. Always follow the dosage that your doctor prescribes.
Besides learning about dosage, you may want other information about Arexvy. These additional articles might be helpful:
- More about Arexvy: For information about other aspects of Arexvy, refer to this article.
- Side effects: To learn about side effects of Arexvy, see this article. You can also look at the Arexvy prescribing information.
- Interactions: For details about what Arexvy interacts with, see this article.
Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.