Fluorouracil (Topical)

Brand Names : Efudex, Fluoroplex, 5-FU

Precautions While Using This Medicine

It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly and to check for unwanted effects.

Apply this medicine very carefully when using it on your face. Avoid getting any in your eyes, nose, or mouth .

While using this medicine, and for 1 or 2 months after you stop using it, your skin may become more sensitive to sunlight than usual and too much sunlight may increase the effect of the drug. During this period of time :

• Stay out of direct sunlight, especially between the hours of 10:00 a.m. and 3:00 p.m., if possible.
• Wear protective clothing, including a hat and sunglasses.
• Apply a sun block product that has a skin protection factor (SPF) of at least 15. Some patients may require a product with a higher SPF number, especially if they have a fair complexion. If you have any questions about this, check with your health care professional.
• Do not use a sunlamp or tanning bed or booth.

If you have a severe reaction from the sun, check with your doctor .