Reported Reactions

Adverse event reports that FDA received

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Drugs A to Z

Browse drug classes for related names. Read what affects a report count before comparing records.

Each brand name or generic name that 500 or more reports name as a suspect product has a page. The data have the reports that FDA received through . Reporters write a brand name or a generic name, so the two have separate pages.

3,713 drug names, in 13 parts

The lists give names only. A report is not proof that a drug was the cause of an event. The lists make no comparison between drugs.

Every name in these lists has a page. Search engines may index 851 of the pages: those with 5,000 reports or more, and 100 or more in the latest 12 months. The other pages have the same content.

Drug names that search engines do not index

2,201 more names have a page. Each one has fewer than 500 reports, or no report in the last five years.