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Flutamide is used in the treatment of prostate cancer

How it works

Flutamide works by blocking the effect of the natural male hormones on the growth of prostate cells. Flutamide also used in females to block the undesired effects of androgens like excessive hair growth and acne.

Common side effects

Nausea, Anorectal inflammation, Blood in urine, Cystitis, Diarrhoea, Development of breasts in men, Hot flashes, Impotence, Loss of libido, Rectal haemorrhage (bleeding), Vomiting

Available Medicine

Expert advice

  • Do not drive or operate machinery as flutamide can affect your nervous system and cause visual changes.
  • Consult your doctor if you have any of the following medical conditions: liver disease, a genetic enzyme deficiency called glucose-6-phosphate dehydrogenase (G6PD) deficiency, hemoglobin M disease; habit of smoking.
  • Seek immediate medical attention if you have severe or ongoing diarrhea.
  • Avoid dairy products such as milk, cheese, and yogurt to prevent diarrhea and do not use laxatives while taking flutamide.
  • Drink plenty of liquids while you are on flutamide treatment.

Frequently asked questions


Q. Is flutamide chemotherapy?
Flutamide is used as chemotherapy for the treatment of cancers

Q. Is flutamide cytotoxic?
Yes, flutamide is cytotoxic (toxic to cells)

Q. Does flutamide cause weight gain?
Flutamide has no known effects on weight gain

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

Content on this page was last updated on 29 December, 2016, by Dr. Varun Gupta (MD Pharmacology)