Skip Ribbon Commands
Skip to main content


Drug Class: Commonly Known As: Category:
Antineoplastic Agent Efudix® Adult, Cancer-related

Fluorouracil - Dosage and How to Use

How should Fluorouracil be used?

  • ​Before you apply this medication to the skin, clean the affected area and dry well.
  • Wait for 10 minutes, then apply a small amount of medication to the affected skin.
  • The medication should be applied in a thin layer to the affected area and its surrounding (determined by the doctor) once or twice daily or as advised by your doctor.
  • The total area of skin treated at any one time should not be more than 23x23 cm (500 cm2) or 9x9 inches.
  • Do not cover the area with a bandage unless directed by your doctor.

What should I do if I miss a dose?

​If you miss a dose of this medication, apply it as soon as possible. However, if it is almost time for your next application, skip the missed application and carry on as before. Do not apply a double dose.

What should I do if I overdose?

Fluorouracil - Additional Information

  • Updated on Wednesday, March 31, 2021
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

    Find Your Medicines