From Phizer ..

Indication & Authorized Use

COMIRNATY® (COVID-19 Vaccine, mRNA) is an FDA-approved COVID-19 vaccine made by Pfizer for BioNTech.

It is approved as a 2-dose series for prevention of COVID-19 in individuals 16 years of age and older
It is also authorized under Emergency Use Authorization (EUA) to be administered for emergency use to:
prevent COVID-19 in individuals 12 through 15 years, and
provide a third dose to individuals 12 years of age and older who have been determined to have certain kinds of immunocompromise
The Pfizer-BioNTech COVID-19 Vaccine has received EUA from FDA to:

prevent COVID-19 in individuals 12 years of age and older, and
provide a third dose to individuals 12 years of age and older who have been determined to have certain kinds of immunocompromise
The FDA-approved COMIRNATY® (COVID-19 Vaccine, mRNA) and the EUA-authorized Pfizer-BioNTech COVID-19 Vaccine have the same formulation and can be used interchangeably to provide the COVID-19 vaccination series. An individual may be offered either COMIRNATY® (COVID-19 Vaccine, mRNA) or the Pfizer-BioNTech COVID-19 Vaccine to prevent coronavirus disease 2019 (COVID-19) caused by SARS-CoV-2.

EUA Statement

This emergency use of the product has not been approved or licensed by FDA, but has been authorized by FDA under an Emergency Use Authorization (EUA) to prevent Coronavirus Disease 2019 (COVID-19) for use in individuals 12 years of age and older; and the emergency use of this product is only authorized for the duration of the declaration that circumstances exist justifying the authorization of emergency use of the medical product under Section 564(b)(1) of the FD&C Act unless the declaration is terminated or authorization revoked sooner.


Important Safety Information

Individuals should not get the Pfizer-BioNTech COVID-19 Vaccine if they:

had a severe allergic reaction after a previous dose of this vaccine
had a severe allergic reaction to any ingredient of this vaccine
Individuals should tell the vaccination provider about all of their medical conditions, including if they:

have any allergies
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 the immune system
are pregnant, plan to become pregnant, or are breastfeeding
have received another COVID-19 vaccine
have ever fainted in association with an injection
The vaccine may not protect everyone.

Side effects reported with the vaccine include:

There is a remote chance that the vaccine could cause a severe allergic reaction
A severe allergic reaction would usually occur within a few minutes to one hour after getting a dose of the vaccine. For this reason, vaccination providers may ask individuals to stay at the place where they received the vaccine for monitoring after vaccination
Signs of a severe allergic reaction can include difficulty breathing, swelling of the face and throat, a fast heartbeat, a bad rash all over the body, dizziness, and weakness
If an individual experiences a severe allergic reaction, they should call 9-1-1 or go to the nearest hospital
Myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the lining outside the heart) have occurred in some people who have received the vaccine. In most of these people, symptoms began within a few days following receipt of the second dose of the vaccine. The chance of having this occur is very low. Individuals should seek medical attention right away if they have any of the following symptoms after receiving the vaccine:
chest pain
shortness of breath
feelings of having a fast-beating, fluttering, or pounding heart
Side effects that have been reported with the vaccine 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 pain; tiredness; headache; muscle pain; chills; joint pain; fever; injection site swelling; injection site redness; nausea; feeling unwell; swollen lymph nodes (lymphadenopathy); diarrhea; vomiting; arm pain
These may not be all the possible side effects of the vaccine. Serious and unexpected side effects may occur. The vaccine is still being studied in clinical trials. Call the vaccination provider or healthcare provider about bothersome side effects or side effects that do not go away
There is no information on the use of the vaccine with other vaccines.
Pfizer-BioNTech COVID-19 Vaccine COMIRNATY(R) Receives Full U.S. FDA Approval for Individuals 16 Years and Older | Pfizer