Medical Information for Patients

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Quick Finder

Convenient links to frequently asked questions.

PAXLOVID™ (nirmatrelvir tablets; ritonavir tablets) Page
COVID-19 Vaccines (Pfizer-BioNTech) Page
Ingredient & Allergen Checker
Need to report an Adverse Event, Side Effect, or Product Quality Concern?

Contact Pfizer Safety to report an adverse event, side effect or concern about the quality of a Pfizer product: (800) 438-1985

You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns at 1-800-FDA-1088 or www.fda.gov/MedWatch
Need information about Counterfeit Medications?
If you are looking for information and frequently asked questions about counterfeit medications, refer to:

No Fakes for Health’s Sake

Pfizer’s Counterfeiting Website
Need Information on Pfizer’s Patient Assistance Programs?

Pfizer RxPathways connects eligible patients to a range of assistance programs that offer insurance support, co-pay help, and medicines for free or at a savings. Patients and physicians can contact RxPathways at (866) 706-2400 or visit the website for more information on these programs www.pfizerrxpathways.com.
Have a Question about Pfizer Clinical Trials?

If you are looking for information about Pfizer studies currently recruiting new patients in your area, you can begin your search on our website. For questions about a Pfizer Clinical Trial, call (800) 718-1021 or email [email protected]

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MI Digital Assistant

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Call (800) 438-1985

Contact Pfizer Medical Information to speak with a professional regarding your medical question on a Pfizer prescription product: (800) 438-1985

Report Adverse Event

Pfizer Safety

To report an adverse event related to a Pfizer product 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 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 product, please call Pfizer Medical Information at (800) 438-1985.

FDA Medwatch

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/medwatchor by calling
(800)-332-1088.