Call us

Below are numbers you can call to get and report different kinds of information related to Gilead's medicines.

Do you want to report a side effect or other concern about a Gilead medicine?

Report side effects

To report a side effect or unexpected reaction (sometimes called an “adverse event”) please call 1-800-445-3235 (option #3), available 24 hours a day, 7 days a week.

Product complaints

To report issues with our products, like defects or package errors, please call 1-800-445-3235 (option #2) available Monday – Friday, 8am – 5pm PT, or email QualityComplaints@gilead.com.

FDA MedWatch

To report a side effect or product quality concern directly to the U.S. Food and Drug Administration (FDA), please call 1-800-FDA-1088 or email www.fda.gov/​MedWatch.

You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns at 1-800-FDA-1088 or www.fda.gov/MedWatch.