aspirinListen to pronunciation(AS-pih-rin)A drug that reduces pain, fever, inflammation, and blood clotting. Aspirin belongs to the family of drugs called nonsteroidal anti-inflammatory agents. It is also being studied in cancer prevention.More InformationCan Taking Aspirin Help Prevent Cancer?Cancer Prevention OverviewSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#