Pemgarda (pemivibart) is a medication that's used to prevent COVID-19 infection in people 12 years and older. It can only be used for people who aren't currently infected with COVID-19, who haven't been recently exposed to it, and who have a weakened immune system. Pemgarda (pemivibart) received emergency use authorization (EUA) from the FDA in March 2024. It's given as a single infusion into the veins, but can be repeated every 3 months. Some potential side effects include infusion reactions, feeling tired, and headache.
Pemgarda (pemivibart) is a monoclonal antibody. It works by blocking the COVID-19 virus from attaching to and entering your cells. This prevents the virus from spreading in your body and from causing infection.
The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Contact your healthcare provider immediately if you experience any of the following.
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
No. Pemgarda (pemivibart) can only be used to prevent COVID-19 infection. It's not used to treat COVID-19 if you've already been infected.
It generally takes about 1 hour for your Pemgarda (pemivibart) infusion. But if you have a reaction to the infusion during this time, your care team might slow your infusion down. This could make the infusion take longer to complete. After your infusion is done, your care team will keep an eye on you for at least 2 hours for any allergic reactions to Pemgarda (pemivibart). Since your appointment can take a few hours, be sure to bring something with you to do while you wait.
Yes. It's possible to get a COVID-19 vaccine if you've had a Pemgarda (pemivibart) infusion. This medication doesn't replace getting vaccinated against COVID-19. Speak to your primary care provider to find out whether a COVID-19 vaccine is appropriate for you.
You should wait at least 2 weeks after getting a COVID-19 vaccine before getting a Pemgarda (pemivibart) infusion. This is because Pemgarda (pemivibart) can lower your body's immune response to the vaccine, which can make the vaccine work less well to prevent COVID-19 infection.
There isn't enough information to know whether Pemgarda (pemivibart) is safe for people who are pregnant. Speak to your primary care provider about the risks and benefits of this medication if you're pregnant or thinking of becoming pregnant.
Pemgarda (pemivibart) can cause some serious health issues. This risk may be even higher for certain groups. If this worries you, talk to your doctor or pharmacist about other options.
Rarely, Pemgarda (pemivibart) can cause serious allergic reactions that can be life-threatening (i.e., anaphylaxis). Because of this risk, your healthcare team will watch for signs of an allergic reaction during your infusion and for at least 2 hours after. But it's still possible to experience an allergic reaction after you go home. Get medical help right away if you have hives, dizziness, trouble breathing, chest discomfort, fast heartbeat, or swelling.
Pemgarda (pemivibart) can cause infusion-related reactions during your infusion and for up to 24 hours afterwards. Tell your healthcare team right away if you notice signs of an infusion reaction, such as fever, trouble breathing, chills, chest pain, nausea, headache, dizziness, or rash.
In some cases, the healthcare professional can slow down your Pemgarda (pemivibart) infusion and give you medications to help treat your symptoms. The healthcare professional might need to stop the infusion altogether for more severe reactions.
Pemgarda (pemivibart) contains a substance called polysorbate 80, which is also in some COVID-19 vaccines. This substance can rarely cause an allergic reaction in some people.
Tell your prescriber before taking Pemgarda (pemivibart) if you've had an allergic reaction to a COVID-19 vaccine. Your healthcare team will look out for an allergic reaction during your Pemgarda (pemivibart) infusion and treat it quickly if one happens.
The typical dose is 4,500 mg given as an infusion into the veins (IV) as a single dose. It's administered by a trained healthcare professional.
The dose can be repeated once every 3 months.