Flutamide capsules

What is this medication?

FLUTAMIDE (FLOO ta mide) blocks the effect of the male hormone called testosterone. It is used in combination with another medication to treat prostate cancer.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Eulexin

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What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • cigarette smoker
  • diabetes
  • glucose-6-phosphate dehydrogenase deficiency
  • hemoglobin M disease
  • lactose intolerance
  • liver disease
  • an unusual or allergic reaction to flutamide, other chemotherapy, other medicines, foods, dyes, or preservatives
  • your partner is pregnant or trying to get pregnant

How should I use this medication?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Do not take your medicine more often than directed. Finish the full course prescribed by your doctor or health care professional, even if the capsules make you feel sick. Do not stop taking except on the advice of your doctor or health care professional.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

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What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medication?

•warfarin

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

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What should I watch for while using this medication?

Visit your doctor or health care professional for regular checks on your progress. Improvement in your condition can take several days.

This medicine is only for use in men. There is no indication for the use of this medicine in women. This medicine should never be given to pregnant women, as it may cause harm to the developing fetus.

This medicine may increase blood sugar. Ask your healthcare provider if changes in diet or medicines are needed if you have diabetes.

What side effects may I notice from receiving this medication?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • dark yellow or brown urine
  • signs and symptoms of high blood sugar such as being more thirsty or hungry or having to urinate more than normal. You may also feel very tired or have blurry vision.
  • vomiting
  • yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • diarrhea
  • nausea

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children.

Store between 2 and 30 degrees C (36 and 86 degrees F). Protect from moisture. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Copyright ©2024 Elsevier Inc. All Rights Reserved.

Terms of use.

Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

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