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Mresvia

Mresvia
Used for RSV

MRESVIA is an mRNA vaccine that's used to protect adults 60 years and older from illness caused by respiratory syncytial virus (RSV). This vaccine is injected into the muscle by a trained healthcare professional (HCP), and you only need to get one dose. Some potential side effects of the MRESVIA RSV vaccine include pain at the injection site, tiredness, headache, and muscle pain.

Reviewed by:Last reviewed on June 5, 2024
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What is MRESVIA?

What is MRESVIA used for?

How MRESVIA works

MRESVIA is an mRNA vaccine. This vaccine contains lab-made mRNA (genetic information) that teaches your body to make a part of a protein found on RSV.

Your immune system recognizes that this harmless protein doesn't belong in your body. This causes your immune system to make antibodies against the protein. The antibodies tell other immune cells to get rid of it.

Your immune system learns what the RSV protein looks like. So when you get infected with RSV, your immune system is ready to fight and protect you from infection.

Drug facts

Common BrandsMRESVIA
Drug ClassVaccine
Controlled Substance ClassificationNot a controlled medication
Generic StatusNo lower-cost generic available
AvailabilityPrescription only
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Side effects of MRESVIA

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.

Common Side Effects

  • Pain at the injection site (56%)
  • Feeling tired (31%)
  • Headache (27%)
  • Muscle pain (26%)
  • Joint pain (22%)
  • Underarm swelling or tenderness (15%)
  • Chills (12%)

Less Common Side Effects

  • Redness at the injection site
  • Swelling at the injection site
  • Fever
  • Nausea or vomiting

MRESVIA serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Severe allergic reaction: hives; difficulty breathing; swelling of the face, lips, tongue, or throat

Source: FDA

The following MRESVIA side effects have also been reported

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Feeling faint or lightheaded
  • Weakness and tingling in the feet and legs that spreads to upper body

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

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$374.06(Save 14.21%)
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$320.90
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Pros and cons of MRESVIA

Pros

  • Given as a single dose
  • Lowers the risk of RSV-related illness by up to 84% in people 60 years and older
  • Offers protection against RSV-A and RSV-B, two types of the virus

Cons

  • Only available as an injection, which might be uncomfortable
  • Can cause temporary side effects such as headache and muscle aches
  • Not approved for people younger than 60 years old
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Pharmacist tips for MRESVIA

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  • Discuss your full medical history with your primary care provider before you get vaccinated with MRESVIA. This vaccine might not work as well for you if you have conditions (or are taking medications) that weaken your immune system.
  • For MRESVIA to be most effective, you should get it during late summer or early fall, just before the start of RSV season. Ask your primary care provider about the best time for you to get your vaccine.
  • After getting the MRESVIA vaccine, stay seated for a few minutes. Vaccines that are injected, like MRESVIA, can sometimes cause fainting.
  • Share your vaccination record with a healthcare professional so they can help you get up to date with all of your vaccines.
  • Tell your primary care provider or pharmacist if you experience any side effects from MRESVIA. You can also report side effects to the Vaccine Adverse Event Reporting System at 1-800-822-7967 and www.vaers.hhs.gov.
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Risks and warnings for MRESVIA

MRESVIA 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.

Severe allergic reaction

Although rare, it's possible for MRESVIA to cause a severe allergic reaction. Get medical help right away if you experience tightness in your chest; trouble breathing; skin rash; or swelling in your lips, tongue, throat, or face after you get your MRESVIA shot.

Fainting

Some people might feel faint after they get injectable vaccines like MRESVIA. To lower your risk of fainting, stay seated for a while after your vaccination and stand up slowly to make sure you don't fall.

Vaccine might not work as well for people with a weakened immune system

  • Risk factors: Medical conditions that weaken the immune system | Taking medications that weaken your immune system

MRESVIA might not work as well for people with a weakened immune system. Talk to your primary care provider before you get vaccinated with MRESVIA if you have a medical condition that lowers the immune system, such as human immunodeficiency virus (HIV) or cancer. Also speak with your primary care provider if you take medications that weaken your immune system, like high-dose corticosteroids or transplant medications).

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MRESVIA dosage

The average cost for 1 carton of 0.5ml prefilled syringe of MRESVIA is $320.90 with a free GoodRx coupon. This is 14.21% off the average retail price of $374.06.
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DosageQuantityPrice as low asPrice per unit
0.5ml prefilled syringe1 carton$320.90$320.90

Typical dosage for MRESVIA

Adults ages 60 years and older: The typical dose is 0.5 mL injected into the muscle by a healthcare professional.

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How much does MRESVIA cost?

To access savings, use a GoodRx coupon and pay just a fraction of the retail price.
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What are alternatives to MRESVIA?

There are a number of medications that your doctor can prescribe in place of MRESVIA. Compare a few possible alternatives below.
MRESVIA
Used for:
$320.90Lowest GoodRx priceView prices
Used for:

Prevention of serious lung infections caused by respiratory syncytial virus (RSV) in:

  • Adults 60 years and older
  • Adults 18 to 59 years old who have a higher risk of illness due to RSV
$312.07Lowest GoodRx priceView prices
Used for:

Prevention of serious lung infections caused by respiratory syncytial virus (RSV) in:

  • Adults 60 years and older
  • Adults 18 to 59 years old who have a higher risk of illness due to RSV
  • Pregnant mothers between 32 to 36 weeks gestation
$325.99Lowest GoodRx priceView prices
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News about MRESVIA

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MRESVIA images

white - mRESVIA 50mcg/0.5mL Suspension for Injection
This medicine is White Carton.white - mRESVIA 50mcg/0.5mL Suspension for Injection
white - mRESVIA 50mcg/0.5mL Suspension for Injection
This medicine is White Carton.white - mRESVIA 50mcg/0.5mL Suspension for Injection

References

Best studies we found

Centers for Disease Control and Prevention. (2024). Fainting and vaccines.

Centers for Disease Control and Prevention. (2024). Healthcare providers: RSV vaccination for adults 60 years of age and over.

Centers for Disease Control and Prevention. (2024). RSV vaccines.

GoodRx Health has strict sourcing policies and relies on primary sources such as medical organizations, governmental agencies, academic institutions, and peer-reviewed scientific journals. Learn more about how we ensure our content is accurate, thorough, and unbiased by reading our editorial guidelines.