Reporting Adverse Events
Important Note: Patients should always ask their doctors for medical advice about adverse events.
If you cannot use the above website to report an adverse event for the Pfizer-BioNTech COVID-19 vaccine or want to submit an adverse event for another Pfizer product, please follow the instructions below relevant to the country in which you are located.
Pfizer Products Adverse Event Reporting
In the United States
You may report an adverse event related to Pfizer products by calling 1-800-438-1985 (United States only). If you prefer, you may contact the US Food & Drug Administration (FDA) directly.
The FDA has established a reporting service known as MedWatch where healthcare professionals and consumers can report serious problems they suspect may be associated with the drugs and medical devices they prescribe, dispense, or use. Visit MedWatch at www.fda.gov/Safety/MedWatch or call 1-800-FDA-1088.
Outside the United States
Countries worldwide may have specific processes in place to handle reports of adverse events. To report an adverse event, ask your health care provider for more information or contact your local health authority.
To learn more about medicine safety, visit our Medicine Safety page.