Fluorouracil may damage sperm and may harm the baby if used during pregnancy. It is best to use birth control while being treated with fluorouracil. Tell your doctor right away if you or your partner becomes pregnant. Do not breast feed during treatment. Tell doctors or dentists that you are being treated with fluorouracil before you receive any treatment from them.
Most people have little or no nausea.
Drink plenty of liquids. Eat often in small amounts. Diarrhea may occur. Drink plenty of liquids. Eat often in small amounts.