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To report an adverse reaction, or concern about the quality of a Greenstone product, please call 1-800-438-1985 or visit www.fda.gov/medwatch or call FDA at 1-800-332-1088.
Chat online with Pfizer Medical Information regarding your inquiry on a Pfizer medicine.
*Contact Medical Information. 9AM-5PM ET Monday to Friday; excluding holidays.
Submit a medical question for Pfizer prescription products.
To report an adverse event related to the Pfizer-BioNTech COVID-19 Vaccine, and you are not part of a clinical trial* for this product, click the link below to submit your information:
Pfizer Safety Reporting Site
*If you are involved in a clinical trial for this product, adverse events should be reported to your coordinating study site.
If you cannot use the above website, or would like to report an adverse event related to a different Pfizer product, please call Pfizer Safety at (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 https://vaers.hhs.gov or call (800) 822-7967.