Prostate Cancer Home > What Is Flutamide Used For?

How Does It Work?

Androgens (male sex hormones, such as testosterone) stimulate the growth of prostate cancer. Flutamide works by blocking the actions of androgens, thereby slowing down the growth of prostate cancer cells. When used in combination with a GnRH agonist, the GnRH agonist reduces the amount of testosterone made by the body and flutamide blocks the action of the remaining testosterone.

Can Children Use Flutamide?

Flutamide is not approved for people younger than 18 years of age, as it has not been adequately studied in this age group. Talk to your child's healthcare provider about the particular risks and benefits of using this medication in children.

Can Older Adults Use It?

Prostate cancer is common in older men. Therefore, flutamide is commonly used in older adult males. It is not approved for use in women, including older adult women.

Is Flutamide Used for Off-Label Reasons?

On occasion, your healthcare provider may recommend this product for something other than its officially approved use. This is known as an "off-label" use. Possible off-label uses of flutamide include the treatment of:
  • Stage I or IIA prostate cancer
  • Hirsutism (unwanted, excessive dark hair growth) in women.
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Last reviewed by: Kristi Monson, PharmD;
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