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Home Products Medicine Safety Reporting Adverse Events

Patients should always ask their doctors for medical advice about adverse events.

If you are participating in a clinical trial, please report the adverse event to your coordinating study site.

Reporting for COVID-19 Products

Please navigate to https://www.pfizersafetyreporting.com to report product safety information
for either of the following products:

  • Pfizer-BioNTech COVID-19 Vaccine (also known as COMIRNATY®, COVID-19 mRNA, Vaccine BNT162b2 or BNT162)
  • Pfizer COVID-19 Treatment (also known as PAXLOVID™ (nirmatrelvir tablets; ritonavir tablets))

Reporting for all other Pfizer products

In the United States: 

Please report any adverse events (note: not a side effect which may be expected) related to any of our products by calling us at 1-800-438-1985 (United States only). If you prefer, you may contact the U.S. Food & Drug Administration (FDA) directly. 

www.fda.gov/Safety/MedWatch or call 1-800-FDA-1088. 

 

Outside of the United States: 

Your country (non-U.S.) may have specific processes in place to handle reports of adverse events. To report an adverse event, ask your healthcare provider for more information or contact your local health authority. 

To learn more about medicine safety, visit our Medicine Safety section below.

Our commitment to safe, effective medicines begins in the research laboratory and continues for as long as the medicine is prescribed to patients anywhere in the world. 

No matter where you are in the world, it’s important that you have access to the right information about our products. Use this page to find the Pfizer website and contact number for your country.

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