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INFORMATION FOR RECIPIENTS AND CAREGIVERS

COMIRNATY (Cuh-mir'-na-tee)

(COVID-19 VACCINE, mRNA)

(2024-2025 Formula)

This summary is not intended to take the place of talking with your healthcare provider. If you have questions or would like more information, please talk with your healthcare provider.

What is COMIRNATY?

COMIRNATY is a vaccine for use in people 12 years of age and older to protect against COVID-19.

COMIRNATY may not protect all people who receive the vaccine.

COMIRNATY does not contain SARS-CoV-2, the virus that causes COVID-19. COMIRNATY cannot give you COVID-19.

Who should not get COMIRNATY?

You should not get COMIRNATY if you had:

a severe allergic reaction after a previous dose of COMIRNATY or any Pfizer-BioNTech COVID-19 vaccine
a severe allergic reaction to any ingredient in these vaccines (see What are the ingredients in COMIRNATY?).

Before getting COMIRNATY, tell your vaccination provider about all of your medical conditions, including if you:

have any allergies
had a severe allergic reaction after receiving a previous dose of any COVID-19 vaccine
have had myocarditis (inflammation of the heart muscle) or pericarditis (inflammation of the lining outside the heart)
have a fever
have a bleeding disorder or are on a blood thinner
are immunocompromised or are on a medicine that affects your immune system
are pregnant or plan to become pregnant
are breastfeeding
have received another COVID-19 vaccine
have ever fainted in association with an injection

How is COMIRNATY given?

COMIRNATY is given as an injection into the muscle.

What are the risks of COMIRNATY?

There is a remote chance that COMIRNATY could cause a severe allergic reaction. A severe allergic reaction would usually occur within a few minutes to 1 hour after getting a dose. For this reason, your vaccination provider may ask you to stay at the place where you received your vaccine for monitoring after vaccination. Signs of a severe allergic reaction can include:

Difficulty breathing
Swelling of your face and throat
A fast heartbeat
A bad rash all over your body
Dizziness and weakness

Myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the lining outside the heart) have occurred in some people who have received mRNA COVID-19 vaccines, including COMIRNATY and Pfizer-BioNTech COVID-19 vaccines. Myocarditis and pericarditis following administration of mRNA COVID-19 vaccines have occurred most commonly in males 12 years through 24 years of age. In most of these people, symptoms began within a week following vaccination. Based on available data, estimated rates of myocarditis and/or pericarditis from 1 through 7 days after getting a dose of the 2023-2024 Formula of mRNA COVID-19 vaccines were approximately 8 cases per million doses in people 6 months through 64 years of age and approximately 27 cases per million doses in males 12 years through 24 years of age.

In most people who have had myocarditis or pericarditis after receiving an mRNA COVID-19 vaccine, symptoms have gone away a few days after receiving treatment with medicines used to reduce inflammation.

In a study, follow-up information was collected on people who developed myocarditis after receiving the original formula of a COVID-19 vaccine; most people had received an mRNA COVID-19 vaccine. Some people in the study reported having heart symptoms approximately 3 months after developing myocarditis. Some people in the study had heart MRIs (scans that show detailed images of the heart muscle) initially after developing myocarditis and again approximately 5 months later. The initial and follow-up heart MRIs commonly showed signs of injury to the heart muscle, with improvement over time in most people. It is not known if these heart MRI findings might predict long-term heart effects of myocarditis. Studies are underway to find out if there are long-term heart effects in people who have had myocarditis after receiving an mRNA COVID-19 vaccine.

You should seek medical attention right away if you or your child have any of the following symptoms after receiving COMIRNATY, particularly during the 2 weeks after receiving a dose of the vaccine:

Chest pain
Shortness of breath
Feelings of having a fast-beating, fluttering, or pounding heart

These could be symptoms of myocarditis or pericarditis.

  

Side effects that have been reported with COMIRNATY or Pfizer-BioNTech COVID-19 vaccines include:

Severe allergic reactions
Non-severe allergic reactions such as rash, itching, hives, or swelling of the face
Myocarditis (inflammation of the heart muscle)
Pericarditis (inflammation of the lining outside the heart)
Injection site reactions: pain, swelling, redness, arm pain
General side effects: tiredness, headache, muscle pain, chills, joint pain, fever, nausea, feeling unwell, swollen lymph nodes (lymphadenopathy), decreased appetite, diarrhea, vomiting, dizziness
Fainting in association with injection of the vaccine

These may not be all the possible side effects of COMIRNATY. Ask your healthcare provider about any side effects that concern you.

Report vaccine side effects to FDA/CDC Vaccine Adverse Event Reporting System (VAERS). The VAERS toll-free number is 1-800-822-7967 or report online to https://vaers.hhs.gov/reportevent.html.

In addition, you can report side effects to Pfizer Inc. at 1-800-438-1985 or www.pfizersafetyreporting.com.

What if you are pregnant or breastfeeding?

If you are pregnant or breastfeeding, discuss your options with your healthcare provider.

What are the ingredients in COMIRNATY?

COMIRNATY contains the following ingredients:

messenger ribonucleic acid (mRNA)
lipids (((4-hydroxybutyl)azanediyl)bis(hexane-6,1-diyl)bis(2-hexyldecanoate), 2 [(polyethylene glycol)-2000]-N,N-ditetradecylacetamide, 1,2-distearoyl-sn-glycero-3-phosphocholine, and cholesterol)
tromethamine
tromethamine hydrochloride
sucrose

COMIRNATY does not contain preservatives.

This Information for Recipients and Caregivers may have been updated. For the most recent Information for Recipients and Caregivers, please visit https://dailymed.nlm.nih.gov/dailymed/.

If you have questions, talk to your healthcare provider or visit www.COMIRNATY.com or call 1-877-VAX-CO19 (1-877-829-2619).

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Manufactured for
BioNTech Manufacturing GmbH
An der Goldgrube 12
55131 Mainz, Germany

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Manufactured by
Pfizer Inc., New York, NY 10001

LAB-1587-4.0

US Govt. License No. 2229

Revised: 6/2025

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Additional Resources

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Submit a medical question for a Pfizer medicine or a vaccine. 

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To report an adverse event related to a Pfizer product and you are not part of a clinical trial* for this medication, click the link below to submit your information: 
Pfizer Safety Reporting Site

*If you are involved in a clinical trial for either product, adverse events should be reported to your coordinating study site.

If you cannot use the above website to report an adverse event related to a Pfizer medication, please call (800) 438-1985.

You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns either online at www.fda.gov/medwatch or by calling (800) 332-1088.