Answer
Yes. It is a cytotoxic antimetabolite used systemically for cancer and topically against abnormal cells in actinic keratosis.
Sources for this answer
- Fluorouracil 50 mg/ml Injection — Current selected SmPCemc · Summary of Product Characteristics
- Tolak 40 mg/g cream — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.