Let us know about any adverse effects of a medication.

Let us know about any adverse effects of a medication
In the event of side effects during your medical treatment, we highly recommend you contact the FDA, U.S. Food and Drug Administration. 

MedWatch is the FDA Safety Information and Adverse Event Reporting Program. Use the MedWatch form to report adverse events that you observe or suspect for human medical products.

https://www.accessdata.fda.gov/scripts/medwatch/index.cfm?action=reporting.home