Finasteride prevents the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is involved in the development of benign prostatic hyperplasia (BPH) and hair loss.

Finasteride is used to treat benign prostatic hyperplasia (enlarged prostate). Finasteride is also used to reduce hair loss due to male pattern baldness.

Finasteride may also be used for purposes other than those listed in this medication guide.

Special precaution

• Before taking this medication, tell your doctor if you have liver disease. You may not be able to take finasteride, or you may need a lower dose or special monitoring during treatment.

• Finasteride is intended for use by men only.
• Finasteride is not indicated for use by women. Do not take or handle this medication if you are pregnant or are could become pregnant during treatment. Finasteride is in the FDA pregnancy category X. This means that it is known to cause birth defects in an unborn baby. Women who are or who may become pregnant must not handle crushed or broken finasteride tablets. The medication could be absorbed through the skin. Finasteride is known to cause birth defects in a developing male baby. Exposure to whole tablets should be avoided whenever possible; however exposure to whole tablets is not expected to be harmful as long as the tablets are not swallowed.
• It is not known whether finasteride passes into breast milk. Finasteride is not intended for use by women. Do not take this medication if you are breast-feeding a baby.

Side effects

Stop taking finasteride and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives).

Other, less serious side effects have been reported but usually resolve with continued treatment. Continue to take finasteride and notify your doctor if you experience

• decreased libido (sex drive);

• decreased volume of ejaculate;
• impotence (trouble getting or keeping an erection); or
• Breast tenderness or enlargement.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

Keep all appointment with your doctor.

Don’t let anyone else take your medicines.