Answer
Systemic fluorouracil can cause coronary spasm and other serious cardiac effects. New chest pain or breathlessness requires immediate oncology emergency assessment.
Sources for this answer
- Fluorouracil 50 mg/ml Injection — Current selected SmPCemc · Summary of Product Characteristics
- Fluorouracil Injection 25 mg/ml, solution for injection — 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.