Contact Medical Information

We advise to use the search functionality before contacting the channels below.

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Call 800-438-1985 *

*Speak with a Pfizer Medical Information Professional regarding your medical inquiry. Available 9AM-5Pm ET Monday to Friday; excluding holidays.

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Chat online with Pfizer Medical Information regarding your inquiry on a Pfizer medicine.

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Submit a medical question on a Pfizer prescription product
The submission will be reviewed during our standard business hours.

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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/medwatch or by calling (800)-332-1088.