Fluorouracil is a chemotherapy
drug that is used to treat a variety of cancer
s, mainly breast
and gastrointestinal cancers. Chemically, it is classified as an antimetabolite and it interferes with cell
growth (it is classed as both an antineoplastic and an antimetabolite). Its trade names include Fluorouracik and Adrucil.
It is given intravenously (as a clear fluid), orally (as blue/orange capsules of 250mg and 500mg), and as a topical cream. The drug may cause mouth sores, gastrointestinal upsets like nausea and diarrhea, skin changes, bone marrow suppression, and it may also harm developing fetuses.