Finasteride : Side Effects (Propecia, Proscar)

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You are here : 3-RX.com > Drugs & Medications > Detailed Drug Information (USP DI) > Finasteride : Side Effects

Finasteride (Systemic)

Brand Names : Propecia, Proscar

Finasteride | Before Using | Proper Use | Precautions | Side Effects

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur :

Less common

Breast enlargement and tenderness; skin rash; swelling of lips

Note:

Breast enlargement and tenderness, skin rash and swelling of lips are more likely to occur with the 5-mg dose.

Other side effects may occur that usually do not need medical attention. The following side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

Less common or rare

Abdominal pain; back pain; decreased libido (decreased interest in sex); decreased volume of ejaculate (decreased amount of semen); diarrhea; dizziness; headache; impotence (inability to have or keep an erection)

Note:

A decrease in the amount of semen during ejaculation should not affect your sexual performance and is not a sign of any change in fertility.

Incidence Unknown

Testicular pain

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.

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Finasteride: Precautions

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