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Flutamide

Written By Dr. Anuj SainiReviewed By Dr. Rajeev Sharma
Last updated 25 Nov 2025 | 09:34 AM (UTC)

Flutamide Uses

How Flutamide works

Flutamide blocks the effect of the natural male hormones on the growth of prostate cells. Flutamide also blocks the undesired effects of androgens in females such as excessive hair growth and acne.

Common side effects of Flutamide

Breast enlargement in male, Sleepiness, Nausea, Vomiting, Diarrhea, Increased appetite, Insomnia (difficulty in sleeping), Breast pain, Unusual production of breast milk in women and men, Tiredness
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Expert advice for Flutamide

  • You have been prescribed Flutamide for the treatment of prostate cancer.
  • Take it with or without food, preferably at the same time every day.
  • Do not drive or do anything requiring concentration unless you know how Flutamide affects you.
  • It may cause your skin to become light sensitive. Avoid direct exposure to excessive sunlight and use sunscreen when outdoors.
  • If you are diabetic, monitor your blood glucose regularly while taking Flutamide.
  • Your doctor may want you to have regular blood tests to monitor your liver function while you are taking this medicine. Inform your doctor if you notice yellowing of eyes or skin, dark urine, or stomach pain.
  • Do not stop taking the medication without talking to your doctor first.
  • You have been prescribed Flutamide for the treatment of prostate cancer.
  • Take it with or without food, preferably at the same time every day.
  • Do not drive or do anything requiring concentration unless you know how Flutamide affects you.
  • It may cause your skin to become light sensitive. Avoid direct exposure to excessive sunlight and use sunscreen when outdoors.
  • If you are diabetic, monitor your blood glucose regularly while taking Flutamide.
  • Your doctor may want you to have regular blood tests to monitor your liver function while you are taking this medicine. Inform your doctor if you notice yellowing of eyes or skin, dark urine, or stomach pain.
  • Do not stop taking the medication without talking to your doctor first.

Frequently asked questions for Flutamide

Yes, flutamide lowers testosterone levels and blocks testosterone from reaching the cancer cells, thereby slowing the growth and of cancer cells.