Fluorouracil is a chemotherapeutic drug that generally works by blocking the division and proliferation of tumor cells and killing malignant tumor cells. Fluorouracil is one of the commonly used drugs in the chemotherapy of malignant tumors, mainly used in the treatment of gastrointestinal tract tumors, or a larger dose of fluorouracil in the treatment of choriocarcinoma of the epithelium. It is also commonly used in the treatment of breast cancer, ovarian cancer, lung cancer and so on. Fluorouracil belongs to antimetabolic cytotoxic drugs, which can be converted into fluorouracil deoxyriboside by liver hepatic enzyme after entering into the body, and the latter combines with the DNA in the nucleus of the tumor cells to block the division and proliferation of the tumor cells, so as to achieve the effect of killing malignant tumor cells. Note that the adverse reactions of the drug are mainly nausea, loss of appetite, vomiting, occasionally oral mucositis or ulcers, abdominal discomfort or diarrhea, etc. The use of this drug is prohibited for pregnant women, lactating women, patients suffering from chickenpox or herpes zoster. Patients should not use the drug without authorization, it is recommended to use it under the guidance of a doctor to avoid adverse consequences.
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