Reporting Side Effects

To report an adverse event (or suspected side-effect) experienced with a Pfizer medication (prescription or a vaccine) please contact us at 1 866 723-7111 or by fax at 1 855 242-5652. Reports can be made directly to Health Canada as well through the Canada Vigilance Program at 1 866 234-2345.

If you would like to report an adverse event related to Pfizer's COVID-19 vaccine, we encourage you to visit our designated safety web portal, where you can efficiently and seamlessly report your experience with the Pfizer Covid-19 vaccine. You can access this web portal at www.pfizersafetyreporting.com.

Healthcare professionals with additional questions about Pfizer products can visit pfizermedinfo.ca.