Report a Possible Side Effect or Product Quality Complaint

We encourage healthcare professionals, patients and caregivers to report any side effects or problems with your Lilly medicine to help us ensure our products remain safe and effective.

If you experience a side effect while using a Lilly product (medicine or device), you should always seek medical advice from your doctor.

If you have concerns about a possible side effect, the quality, usability, appearance or safety of a Lilly medicine, please share your experience using one of the options below.

How to Report

If you live in the United States, the primary method to report side effects or quality complaints is through our online tool.

Additional Reporting Actions

To identify your Lilly medicine as genuine (e.g., counterfeit, compound), visit our resource page on identifying a real Lilly medicine.

Additional support options related to our medicines, devices or services offered to help you on your medication journey can be found on our Contact Us page or by calling Lilly Support Services 1-800-Lilly-Rx (1-800-545-5979).

Within the United States, you may contact the Food and Drug Administration (FDA) directly by calling 1-800-FDA-1088 or visiting "Reporting Serious Problems" on the FDA’s website.

Outside of the United States, please report per local country requirements. Visit a region- or country-specific Lilly-owned site via the globe icon in the menu for more information.