Full form of 5-FU is 5-Fluorouracil

5-Fluorouracil, commonly referred to as 5-FU, is a chemotherapy medication used to treat various types of cancer, including colorectal, breast, and stomach cancers. It works by interfering with the synthesis of DNA and RNA, which are essential for cancer cell growth and division. By disrupting these processes, 5-FU effectively slows down or stops the proliferation of cancer cells. This makes it a critical component in cancer treatment regimens, often administered as part of a combination therapy to enhance its efficacy.

The drug is typically given intravenously in a hospital setting, though it can also be administered topically for certain skin cancers. Its use is widespread in oncology due to its proven effectiveness over many decades. Despite its benefits, 5-FU can cause side effects, such as nausea, mouth sores, and low blood cell counts, which require careful management by healthcare professionals.

5-Fluorouracil remains a cornerstone in the fight against cancer, providing hope for patients worldwide. Its importance in medical oncology cannot be overstated, as it continues to be a mainstay in therapeutic protocols for various malignancies.