Treatment FAQ

fluorouracil treatment duration how often to apply

by Georgette Considine Published 2 years ago Updated 2 years ago
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Adults—Apply to the affected area 2 times a day for 3 to 6 weeks. Children—Use and dose must be determined by your doctor.Apr 1, 2022

Precautions

It is usually applied to the affected areas twice a day. To help you remember to use fluorouracil , apply it around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use fluorouracil exactly as directed.

How often should I use fluorouracil?

It takes two to four weeks for healthy new skin to replace the sun-damaged skin destroyed by the fluorouracil cream. After healing, the treated areas are often redder than normal and may feel more sensitive; this redness and sensitivity will gradually fade over a few weeks. Occasionally it persists for several months.

How long does it take for fluorouracil to work?

If you are using fluorouracil to treat basal cell carcinoma, you should continue using it until the lesions are gone. This usually takes at least 3 to 6 weeks, but may take as long as 10 to 12 weeks.

How long should I take fluorouracil for basal cell carcinoma?

Topical medicine is for use only on the skin. Clean the area where you will apply fluorouracil topical. Rinse well and dry the area with a towel and wait ten minutes before applying the medication. Wash your hands before and immediately after applying this medicine, unless it is being used to treat a hand condition.

How do I use fluorouracil topical medicine?

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Is 2 weeks long enough for fluorouracil?

The medication is used from 2 weeks to 6 weeks depending on what is being treated. For treatment of precancers (actinic keratoses), if your skin is very irritated and the symptoms are really bothering you then you can stop after two weeks.

How long should fluorouracil be used?

If you are using fluorouracil to treat basal cell carcinoma, you should continue using it until the lesions are gone. This usually takes at least 3 to 6 weeks, but may take as long as 10 to 12 weeks.

Can you use fluorouracil more than once?

Fluorouracil is most effective for face or scalp lesions and is typically applied once or twice daily for several weeks, sometimes with short breaks in treatment as needed.

Can you repeat fluorouracil treatment?

Ensure proper use of sunscreen (SPF 30+) prior to sun-exposure to prevent further sun damage and sunburn. You may need repeat treatment in the future. Do not re-start treatment with this cream unless your doctor has explicitly instructed this.

How often can you use fluorouracil?

Adults—Apply to the affected area 2 times a day for 3 to 6 weeks. Children—Use and dose must be determined by your doctor.

How do I know when to stop using Efudex?

After 2-4 weeks your skin will be red, crusty, and uncomfortable; this is what we want to happen. In some cases, such as for lesions on the backs of the hands, the body, or for basal cell carcinoma, it might take longer to get to this stage (4-6 weeks). The cream can then be stopped, to allow healing.

Can I use moisturizer while using fluorouracil?

After using fluorouracil cream, wait 2 hours before applying sunscreen or moisturizer to the treated area. Do not use other skin products including creams, lotions, medications, or cosmetics unless instructed by your doctor to do so.

Will fluorouracil remove age spots?

Topical fluorouracil, 5%, typically used in the treatment of actinic keratosis, has been suggested for use in reversing photoaging.

How long should I use Efudex on my face?

Use Efudex twice daily for 2 weeks to 4 weeks (depending on the physician directions) or Carac once a day for 4 weeks (depending on the physician directions). 3. The skin will become red and scaly. This is the appropriate response.

What is the erosion stage of fluorouracil treatment?

The skin began to separate and would bleed when it dried after applying Efudex. This is called the erosion phase. In addition to the cracking, some areas of skin turned darker and peeled leaving open, oozing spots. At this stage, wearing any clothing across the area of treatment becomes almost impossible.

Will fluorouracil remove squamous cell carcinoma?

Although topical fluorouracil can help reduce actinic keratoses and cure some superficial basal cell and squamous cell carcinomas, it has not been studied as a strategy to prevent the development of lesions that might require surgery, wrote Martin A.

What is a good moisturizer to use during fluorouracil treatment?

Wash with a gentle cleanser like Cetaphil or Dove during treatment, and you may moisturize each day with Cetaphil or Eucerin lotion.

What Is Fluorouracil Topical?

Fluorouracil interferes with the growth of skin cells. Fluorouracil works by causing the death of cells which are growing fastest, such as abnormal...

Before Taking This Medicine

You should not use fluorouracil topical if you are allergic to it.To make sure fluorouracil topical is safe for you, tell your doctor if you have:...

How Should I Use Fluorouracil Topical?

Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.Do not take...

What Happens If I Miss A Dose?

Use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to m...

What Should I Avoid While Using Fluorouracil Topical?

Do not use this medicine on your eyelids or in your eyes, nose, or mouth. Rinse with water or saline if this medicine gets in your eyes.Do not let...

Fluorouracil Topical Side Effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.St...

Fluorouracil Topical Dosing Information

Usual Adult Dose for Keratosis:0.5% cream (microsphere formulation): Apply to the affected area once a day1%, 2%, 5% cream or 2%, 5% solution: Appl...

What Other Drugs Will Affect Fluorouracil Topical?

It is not likely that other drugs you take orally or inject will have an effect on topically applied fluorouracil. But many drugs can interact with...

How long does it take for fluorouracil to heal?

Do not cover the treated skin area with bandaging or plastic unless your doctor tells you to. You may need to use fluorouracil topical for up to 6 weeks. Treated skin may have an undesirable appearance as it heals, which may take several weeks. Store at room temperature away from moisture and heat. Do not freeze.

How to treat fluorouracil in eyes?

Rinse with water or saline if this medicine gets in your eyes. Do not let fluorouracil topical build up in the skin folds around your mouth, nose, or eyes. Use caution when applying the medicine around these areas. Avoid using other medications on the areas you treat with fluorouracil unless your doctor tells you to.

How long does 5% cream last?

5% cream or solution: -Apply 2 times a day in an amount sufficient to cover the lesions; continue until the inflammatory response reaches the erosion stage, then discontinue use. -Duration of therapy: 3 to 6 weeks; however, therapy may be required for as long as 10 to 12 weeks before lesions are obliterated. Comments:

Can you use fluorouracil on skin?

Apply only enough medicine to cover the affected skin with a thin film. Do not apply fluorouracil topical to skin that is irritated, peeling, or infected or on open wounds. Wait until these conditions have fully healed before using fluorouracil topical.

Can you breastfeed while taking fluorouracil?

Use effective birth control to prevent pregnancy while you are using this medicine. You should not breastfeed while using fluorouracil topical. Fluorouracil topical is not approved for use by anyone younger than 18 years old.

Can you take fluorouracil if you are pregnant?

You should not use fluorouracil topical if you are allergic to fluorouracil, or if you have: a metabolic disorder called DPD (dihydropyrimidine dehydrogenase) deficiency. Do not use fluorouracil topical if you are pregnant. It could harm the unborn baby or cause birth defects.

Can you freeze fluorouracil?

Store at room temperature away from moisture and heat. Do not freeze. Keep the medicine container tightly closed when not in use. Do not use fluorouracil topical to treat a skin condition that has not been checked by your doctor.

Usual Adult Dose for Keratosis

0.5% cream (microsphere formulation): Apply to the affected area once a day where actinic keratosis lesions appear, using enough to cover the entire area with a thin film -Duration of therapy: Apply for up to 4 weeks as tolerated; continued treatment up to 4 weeks results in greater lesion reduction; local irritation is not markedly increased by extending treatment from 2 to 4 weeks, and is generally resolved within 2 weeks of cessation of therapy 1%, 2%, 5% cream or 2%, 5% solution: Apply 2 times a day in an amount enough to cover the lesions; continue until the inflammatory response reaches the erosion stage, then discontinue use -Duration of therapy: 2 to 4 weeks; complete healing of the lesions may not be evident for 1 to 2 months following cessation of therapy Comments: -Response starts with erythema, usually followed by vesiculation, desquamation, erosion and reepithelialization. -This drug should not be applied near the eyes, nostrils, or mouth. -Apply 10 minutes after washing, rinsing, and drying the entire area. -This drug may be applied using the fingertips. -Immediately after application, the hands should be thoroughly washed. -Solar keratoses which do not respond to treatment should be biopsied to confirm the diagnosis. Use: For the topical treatment of multiple actinic or solar keratoses.

Usual Adult Dose for Basal Cell Carcinoma

5% cream or solution: -Apply 2 times a day in an amount sufficient to cover the lesions; continue until the inflammatory response reaches the erosion stage, then discontinue use -Duration of therapy: 3 to 6 weeks; however, therapy may be required for as long as 10 to 12 weeks before lesions are obliterated Comments: -Only the 5% cream or solution is recommended to treat superficial basal cell carcinoma. -Response starts with erythema, usually followed by vesiculation, desquamation, erosion and reepithelialization. Use: To treat superficial basal cell carcinomas when conventional methods are impractical, such as with multiple lesions or difficult treatment sites.

Precautions

CONTRAINDICATIONS: -Hypersensitivity to the active component or any of the ingredients -Pregnancy -In patients with dihydropyrimidine dehydrogenase (DPD) enzyme deficiency Safety and efficacy have not been established in patients younger than 18 years. Consult WARNINGS section for additional precautions.

Other Comments

Administration advice: -Apply with a nonmetal applicator or glove; if applied with the fingers, the hands should be washed immediately afterward. -Avoid contact with mucous membranes, eyelids, eyes, nostrils, or mouth. -Avoid prolonged exposure to ultraviolet light or sunlight. -Avoid occlusive dressings unless clinically indicated. General: -Deep, penetrating or nodular basal cell and squamous cell carcinomas do not usually respond to this drug; it should be used only as a palliative therapy in such cases where no other form of treatment is possible. -The 0.5%, 1% and 2% strengths should not be used in the treatment of basal cell carcinoma. -When this drug is applied to a lesion, a response occurs with the following sequence: erythema, usually followed by vesiculation, desquamation, erosion, and reepithelialization..

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

How long does it take for fluorouracil to burn?

After five to ten days of treatment, the sun-damaged parts of treated skin become red, scaly and tender.

What is fluorouracil cream used for?

Fluorouracil cream is most often prescribed to clear up actinic keratoses and intraepidermal carcinoma ( in situ squamous cell carcinoma ). A full-face course has been shown to substantially reduce the risk of cutaneous squamous cell carcinoma (SCC) developing in the treated site during the following year. Fluorouracil is also occasionally used ...

How long does it take to cure actinic keratosis?

Afterwards, rinse the finger thoroughly with water (or use a glove or cotton bud to apply the cream). Treatment for actinic keratoses is continued for 2 to 4 weeks. Longer may be necessary for the treatment of squamous cell carcinoma in situ.

How long does chemowrap stay in place?

The chemowrap is left in place for 7 days, then removed. The treated skin is washed and gently scrubbed to remove loose skin and scabs. Fluorouracil treatment is repeated once weekly for 4 to 12 weeks. If treated areas become eroded, treatment is stopped and petroleum jelly is applied to the affected area.

Can you use 5% tretinoin cream with fluorouracil?

The combination of 5% fluorouracil cream with treti noin cream works best if the tretinoin has been used for at least two weeks prior to starting fluorouracil. Tretinoin cream enhances the effect of fluorouracil by peeling off the top layer of skin. It reduces the time required for the course of fluorouracil treatment.

Can you use fluorouracil cream while pregnant?

Fluorouracil cream must not be used during pregnancy because it has been shown to cause birth deformities. It is classified as Category D. It should also be avoided during breastfeeding, to minimise the chance of excretion in breast milk and subsequent risk to the nursing infant.

Is fluorouracil 5% cream cytotoxic?

The trade name in New Zealand is Efudix™ and it is a prescription medicine. It is a cytotoxic agent or antimetabolite and it is toxic to living cells, especially to certain cancer or precancerous cells.

How long does fluorouracil last?

The amount of time and schedule of infusion varies depending on a specific protocol, it may be given over several hours to several weeks. As a topical ointment, a thin coating is applied to the affected skin lesions twice a day, treatment may continue over several weeks. (see document Fluorouracil (cream) ).

What are the side effects of fluorouracil?

The following side effects are common (occurring in greater than 30%) for patients taking Fluorouracil: Diarrhea. Nausea and possible occasional vomiting. Mouth sores.

What is the difference between fluorouracil and chemotherapy?

Different drugs may affect different parts of the body. Fluorouracil belongs to the category of chemotherapy called antimetabolites. Antimetabolites are very similar to normal substances within the cell. When the cells incorporate these substances into the cellular metabolism, they are unable to divide.

What is the trade name for Adrucil?

Trade Name : Adrucil ® , Other Names: 5-fluorouracil , 5-FU. Fluorouracil is the generic name for the trade name drug Adrucil®. In some cases, health care professionals may use the trade name Adrucil® when referring to the generic drug name fluorouracil .

Why is chemotherapy given in cycles?

The scheduling of chemotherapy is set based on the type of cells, rate at which they divide, and the time at which a given drug is likely to be effective. This is why chemotherapy is typically given in cycles. Chemotherapy is most effective at killing cells that are rapidly dividing.

How many times can you vomit in 24 hours?

Nausea (interferes with ability to eat and unrelieved with prescribed medication) Vomiting (vomiting more than 4-5 times in a 24 hour period) Diarrhea (4-6 episodes in a 24-hour period) despite anti-diarrhea medication and diet alterations. Unusual bleeding or bruising. Black or tarry stools, or blood in your stools.

Can you take aspirin with fluorouracil?

Do not take aspirin or products containing aspirin unless your doctor specifically permits this.

How long does it take for fluorouracil to work?

This usually takes at least 3 to 6 weeks, but may take as long as 10 to 12 weeks. During the first few weeks of treatment, the skin lesions and surrounding areas will feel irritated and look red, swollen, and scaly. This is a sign that fluorouracil is working.

What to tell your doctor if you are allergic to fluorouracil?

tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking, especially other topical medications. Your doctor may need to change the doses ...

How long does it take for a basal cell carcinoma to heal?

This usually takes at least 3 to 6 weeks, but may take as long as 10 to 12 weeks.

Can you get pregnant while taking fluorouracil?

tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while using fluorouracil , call your doctor immediately.

Can fluorouracil cause rash?

severe red skin rash. Fluorouracil may cause other side effects. Call your doctor if you have any unusual problems while using this medication. If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online ...

What is topical fluorouracil used for?

Topical fluorouracil is approved to treat: Actinic keratosis. This use is approved for the Carac, Efudex, Fluoroplex, and Tolak brands of topical fluorouracil. The Efudex brand of topical fluorouracil is also used to treat basal cell carcinoma that is superficial. It is used in patients whose tumors cannot be treated with conventional therapy.

Is fluorouracil a 5-FU?

It is used in patients whose tumors cannot be treated with conventional therapy. Fluorouracil is also called 5-FU. Fluorouracil is also available in an injection form. For more information, see the Drug Information Summary for Fluorouracil Injection.

How long does it take to get to the end of sun damage?

Some of us reach this stage in two weeks, others in 4-6. Quite honestly, there are some patients who take even longer to reach the end of treatment. There are some patients with extensive sun damage who react much more rapidly and reach the erosion stage before the prescribed 4 weeks on their tubes.

When is the best time to take a prescription?

July 22, 2020. Prescriptions are straightforward and by-the-book. Your doctor or pharmacist provides a quick explanation of how much and how often to take it and may offer up advice on the best time to take it - before, with, or following a meal.

Can you bleed with a cream?

Depending upon the patient, some areas may even bleed slightly once the cream has fully absorbed and the skin has dried out. At this point in treatment, it becomes extremely difficult to even apply the cream, and the slightest touch could send you into orbit.

Is Efudex cut and dry?

Your little bottle with the childproof cap even has an efficiently printed label clearly showing you when you need to stop taking your medication. Efudex, also a prescription medication, has the unfortunate distinction of not being so cut-and-dry.

How long does fluorouracil last?

You usually have fluorouracil as part of a course of several cycles of treatment. You generally have up to 6 cycles of treatment. Each cycle lasts 2, 3 or 4 weeks. You have continuous treatment through a small portable pump. The nurse attaches it to your central line.

What do they check before and during a chemo treatment?

You have blood tests before and during your treatment. They check your levels of blood cells and other substances in the blood. They also check how well your liver and kidneys are working.

What is the most common cancer treatment?

Fluorouracil (5FU) Fluorouracil is also known as FU or 5FU and is one of the most commonly used drugs to treat cancer. It is most often used in combination with other cancer drugs to treat many types of cancer including: breast cancer. head and neck cancers. anal cancer.

How long does it take for diarrhoea to go away?

Contact your advice line if you have diarrhoea, such as if you've had 4 or more loose watery poos (stools) in 24 hours. Or if you can't drink to replace the lost fluid. Or if it carries on for more than 3 days.

Can you take fluorouracil with a pump?

You may have fluorouracil through a drip or using a small pump that you carry around for several days. Fluorouracil is also available as an ointment for skin cancer. When used as an ointment it does not cause the usual side effects but it can cause temporary irritation and inflammation in the treated areas of skin.

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Usual Adult Dose For Keratosis

Fluorouracil is used to treat various types of cancer. It is a chemotherapy drug that is used to slow or stop cancer cell growth.

May Treat: Superficial basal cell carcinoma · Actinic keratosis · Adenocarcinoma of pancreas · Colorectal cancer · Gastric cancer and more

Brand Names: Adrucil · Tolak · Efudex · Carac · Fluoroplex

Drug Class: Antineoplastic - Antimetabolite - Pyrimidine Analogs · Dermatological - Antineoplastic Antimetabolites

Availability: Prescription Required

Pregnancy: Consult your doctor. This medication may be harmful to an unborn child.

Lactation: This drug should not be given to breastfeeding mothers

Precautions

  • Use sunscreen
  • For cream products : If available, read the patient package insert. Do not take while breast feeding or when pregnant. Clean and dry skin, then use a thin layer on area. Do not take if allergic to peanuts or soy. Wash hands after applying. Avoid contact with eyes, inside of nose or mouth. May sting or burn after applying. Your condition will be monitored by your Dr. Do not change brands without checking with Dr.
  • For vial products : Avoid pregnancy, causing pregnancy or nursing. Don't use if solution has particles or color change. Tell Dr if you get severe nausea/vomiting/diarrhea. Tell Dr ASAP if you get a rash on the hands/feet. Call MD for fever, chills or persistent sore throat. Call Dr if you have black stools or stomach pain. Avoid infections and recently immunized people. Skin may be more prone to sunburn.

Usual Adult Dose For Basal Cell Carcinoma

Precautions

Other Comments

Further Information

  • The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of...
See more on mayoclinic.org

Society and culture

Mechanism of action

Medical uses

Prevention

  • 5% cream or solution: -Apply 2 times a day in an amount sufficient to cover the lesions; continue until the inflammatory response reaches the erosion stage, then discontinue use -Duration of therapy: 3 to 6 weeks; however, therapy may be required for as long as 10 to 12 weeks before lesions are obliterated Comments: -Only the 5% cream or solution i...
See more on drugs.com

Treatment

  • CONTRAINDICATIONS: -Hypersensitivity to the active component or any of the ingredients -Pregnancy -In patients with dihydropyrimidine dehydrogenase (DPD) enzyme deficiency Safety and efficacy have not been established in patients younger than 18 years. Consult WARNINGS section for additional precautions.
See more on drugs.com

Symptoms

  • Administration advice: -Apply with a nonmetal applicator or glove; if applied with the fingers, the hands should be washed immediately afterward. -Avoid contact with mucous membranes, eyelids, eyes, nostrils, or mouth. -Avoid prolonged exposure to ultraviolet light or sunlight. -Avoid occlusive dressings unless clinically indicated. General: -Deep, penetrating or nodular basal cell and squa…
See more on drugs.com

Contraindications

  • Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Medical Disclaimer
See more on drugs.com

Prognosis

Risks

  • Fluorouracil is a pyrimidine analogue that irreversibly binds within a cell to thymidylate synthetase. This prevents the incorporation uracil into nuclear RNA, which destroys abnormal cancer cells.
See more on dermnetnz.org

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