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Frequently Asked Questions

Why has my doctor prescribed EFUDEX®?
Because it's the leading topical treatment for treating precancerous actinic keratoses (AKs) and superficial basal cell carcinoma (sBCC), a common form of skin cancer.1 These lesions are caused by sun exposures.

Is EFUDEX® only for older people?
No. EFUDEX® is for any adult. However, it is not approved for use in children. Younger people are being diagnosed with sBCC resulting from sun exposure and are being treated with EFUDEX®.9

How many people have used EFUDEX®?
Over 14 million prescriptions have been written for EFUDEX® over the last 30 years.5

Where can I find EFUDEX®?
EFUDEX® is available in most retail pharmacies. Simply take your prescription to the pharmacy you normally use.

How successful is EFUDEX® in treating precancerous actinic keratoses (AKs)?
In medical studies, up to 86% of visible lesions treated with EFUDEX® were completely eliminated.1

How successful is EFUDEX® in treating superficial basal cell carcinoma?
EFUDEX® 5% Cream or Solution has a 93% success rate for sBCC lesions.1

When is the best time of day to apply EFUDEX®?
Morning and evening, as part of your normaly daily routine, or as instructed by your physician. Patients being treated for AKs typically use EFUDEX® twice a day for 2 to 4 weeks. For sBCC, patients would use EFUDEX® twice a day for at least 3-6 weeks, and up to 10-12 weeks.

How do I use EFUDEX®?
  • EFUDEX® Cream: Apply it to the affected areas twice a day - once in the morning and once in the evening. Use enough cream to cover the lesions, and be careful when applying near the eyes, nose, and mouth.
  • You may apply EFUDEX® Cream with a nonmetal applicator, a suitable glove, or your fingertips. Be sure to wash your hands thoroughly after each application.
  • EFUDEX® Solution: Hold the container, which has a built in applicator, against the affected areas and squeeze until a small amount reaches the skin. Be careful when applying it near the eyes, nose, and mouth.

How much EFUDEX® should I apply?
Every case of AK and sBCC is unique, so your doctor will give you specific instructions for using EFUDEX®. Generally, though, apply enough EFUDEX® to completely cover the lesions.

What will happen to my skin when I use EFUDEX®?
You will see the effect of EFUDEX® on your skin in 4 phases:
  • Early inflammatory phase: During the first week of application, mild inflammation occurs
  • Inflammatory phase: During following weeks, redness, and swelling occur with some crusting and burning
  • Tumor disintegration phase: Lesions resolve as the skin exfoliates
  • Healing phase: Over 1 to 2 weeks, new skin grows into the treatment area

How can I tell the difference between a normal reaction to EFUDEX® and an allergic reaction?
Itching, burning, soreness, tenderness, scaling, and swelling are common reactions to EFUDEX® therapy. An allergic reaction should be suspected when a patient complains of marked itching and discomfort. If you are concerned about the side effects you're experiencing, talk to your doctor. He or she can best assess the situation and more fully answer your questions.

Will EFUDEX® cause scarring to my skin?
Unlike other treatment options, EFUDEX® is not likely to leave scars or make patches of skin permanently discolored. In fact, many patients have reported that, after treatment, their skin was smoother, with a more even tone.

Will my face bleed or peel?
During the first 2 to 4 weeks of treatment with EFUDEX®, the treated areas will probably turn red and look and feel irritated. This is typical and should not cause concern. The red means it's working. You will probably experience crusting and peeling but not bleeding.

Does EFUDEX® cause any side effects?
The most frequent side effects of EFUDEX® Topical Solutions and Cream occur locally and may include itching, burning, soreness, tenderness, rash, scaling, scarring, photosensitivity, and swelling. If any of these occur, contact your doctor; he or she may have ideas for how to minimize these effects.

What do I say to people who ask why my face is bright red and peeling?
Tell them you're using a topical drug that treats your skin for AKs and sBCC. The drug makes your face red while it eliminates unhealthy cells, and leaves you with healthy skin.

Can I use EFUDEX® anywhere on my body?
EFUDEX® is the only topical treatment approved by the FDA to be used almost anywhere on the skin, including the face, scalp, hands, arms, shoulders, and trunk. However, application of EFUDEX® to mucous membranes should be avoided.1 In addition, EFUDEX® should not be applied in the eyes.

Can I use EFUDEX® on hairy areas of my body?
When AKs or sBCC occur in your hair, your doctor may recommend EFUDEX® Solution, which can easily penetrate through hairy areas. Simply hold the container, which has a built-in applicator, against the affect areas and squeeze until a small amount reaches the skin.

I noticed some spots on my legs that I forgot to show my doctor. Can I use EFUDEX® there, too?
Only your doctor can determine if the "spots" you have are AKs or sBCCs and can be treated with EFUDEX®. This is why it is so important to use EFUDEX® only as directed and discuss any questions you may have with your doctor.

Can I use cosmetics or other skin products while using EFUDEX®?
Patients are advised not to use cosmetics or any other skin products, including creams, lotions, and medications, while on EFUDEX® therapy unless instructed by their doctor.

Should I avoid the sun while using EFUDEX®?
During EFUDEX® treatment, you should do everything possible to stay out of the sun. However, with an active lifestyle, this isn't always possible. So be sure you take every precaution to protect your skin. Wear long sleeves and a hat when you go outside, and ask your doctors about the use of sunscreen on areas that aren't covered by clothing.

What should I do if I forget an application of EFUDEX®?
Simply resume using it as prescribed by your doctor. Do not increase or double your dose.

Are there people who should not use EFUDEX®?
EFUDEX® should not be used in women who are or may become pregnant during therapy because it may cause harm to the fetus. If you are nursing, be sure to let your doctor know because it is not known whether EFUDEX® is excreted in human milk. Also, EFUDEX® should not be used by people who are known to be allergic to any of its components.

Is there anything else I need to know about EFUDEX® therapy?
  • Do not cover the treated areas with bandages or gauze unless your doctor advises you to do so.
  • Do not share this medication with others, even if they appear to have the same condition as you.
  • The most frequent side effects of EFUDEX® Solutions and Cream occur locally and may include itching, burning, soreness, tenderness, scaling, and swelling. If any of these side effects are severe, contact your doctor.
  • Application to mucous membranes (mouth, eyes, vagina, anus) should be avoided due to the possibility of local inflammation, ulceration, and necrosis.

What kind of follow-up care Is needed?
You should visit your doctor after therapy to plan your follow-up care, including regular appointments to make sure new lesions are not developing.

What should I do with any EFUDEX® that is left over after I complete therapy?
Discard any unused portion of EFUDEX® after you have completed therapy.

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Prescribing Information
  • Over 14 million prescriptions have been written for Efudex over last 30 years5
  • High success rates
IMPORTANT SAFETY INFORMATION
EFUDEX® (fluorouracil) Topical Solutions and Cream is recommended for the topical treatment of multiple actinic or solar keratoses. In the 5% strength it is also useful in the treatment of superficial basal cell carcinomas when conventional methods are impractical, such as with multiple lesions or difficult treatment sites. Safety and efficacy in other indications have not been established.
EFUDEX is contraindicated in women who are, or may become, pregnant during therapy because of potential hazards to the fetus. Cases of miscarriage and birth defects have been reported in women who are pregnant.
The most frequent adverse events occur locally and may include itching, burning, soreness, tenderness, scaling, and swelling. Application to mucous membranes should be avoided due to the possibility of local inflammation and ulceration.
Please see complete Prescribing Information for EFUDEX.
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Efudex® is a registered trademark of Valeant Pharmaceuticals International