Fluorouracil interferes with the synthesis of deoxyribonucleic acid (DNA) and to a lesser extent inhibits the formation of ribonucleic acid (RNA). Since DNA and RNA are essential for cell division ...

Fluorouracil is available as a generic and also goes by the brand names Tolak, Carac, and Fluoroplex. This article explains Efudex's uses, side effects, and contraindications. Efudex is a topical ...