Fluorouracil (On the skin)
Antineoplastic Agent, Antineoplastic, Dermatological (About this – PubMed Health)
Uses of This Medicine
Fluorouracil belongs to the group of medicines known as antimetabolites. When applied to the skin, it is used to treat certain skin problems, including cancer or conditions that could become cancerous if not treated.
Fluorouracil interferes with the growth of abnormal cells, which are eventually destroyed.
Fluorouracil is available only with your doctor’s prescription.
Other uses (PubMed Health)
How To Use
Your doctor will tell you how much medicine to use. Do not use more than directed.
Wash the skin to be treated with soap and water and wait 10 minutes before applying the medicine.
Apply a thin layer of the medicine to the affected area. Rub it in gently.
You may use a glove, nonmetal applicator, or your fingers to apply this medicine.
Do not cover the treated area with a bandage unless directed by your doctor.
If your doctor tells you to use a bandage, use a gauze bandage with tape. A plastic bandage is more likely to cause skin irritation.
If a dose is missed:
Apply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.
How to Store and Dispose of This Medicine:
Keep the medicine at room temperature, away from heat and direct light. Do not freeze.
Ask your pharmacist or doctor how to dispose of the medicine container and any leftover or expired medicine.
Keep all medicine out of the reach of children. Never share your medicine with anyone.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Do not put cosmetics or skin care products on the treated skin.
When Not To Use
You should not use this medicine if you have had an allergic reaction to fluorouracil. Do not use this medicine if you are or may become pregnant. Do not use this medicine if you have dihydropyrimidine dehydrogenase (DPD) enzyme deficiency.
It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant.
Make sure your doctor knows if you are breast feeding. Tell your doctor if you are sensitive to preservatives, or if you have any other medical conditions.
This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
Severe skin rash or itching.
If you notice these less serious side effects, talk with your doctor:
Change in skin color where medicine is put on.
Eye burning, itching, stinging, or watering.
Mild skin itching or burning.
Pain where the medicine is put on.
Swelling, blistering, redness, or peeling of skin.
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
Carac, Efudex, Fluoroplex
There may be other brand names for this medicine.