Adverse event

Pharmaceutical Products and Side Effects

If you have a question about a Sanofi product, please visit the Adverse Event page and select your country of residence to find your local sanofi website and office details.

This Site is not intended for the reporting of side effects associated with the use of prescription drugs. If you, or someone you know, have possibly experienced a side effect while taking any Sanofi product, please send an email indicating the concerned product and the identified adverse event to your local sanofi office. To find your local Sanofi office contact details, please visit the Adverse Event page.

You are also encouraged to report negative side effects of prescription drugs to the Health Authority of Your country.