Finasteride: Side Effects, Uses & Monitoring
Finasteride tablets USP are indicated for the treatment of symptomatic benign prostatic hyperplasia (BPH) in men with an enlarged prostate to: -Improve symptoms -Reduce the risk of the need for surgery including transure
- Data source
- FDA labeling via NIH DailyMed (label c59f8018…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
| Adverse reaction (as reported in labeling) | Reported frequency* |
|---|---|
| Impotence | 8.1% |
| Decreased libido | 6.4% |
| Decreased volume of ejaculate | 3.7% |
| Breast enlargement | 1.8% |
| Ejaculation disorder | 0.8% |
| Breast tenderness | 0.7% |
| Rash | 0.5% |
*Highest percentage reported for the active moiety across placebo-controlled trial tables in current FDA labeling. Values reflect trial reporting, not your individual risk.
Labeled uses (from FDA prescribing information)
Finasteride tablets USP are indicated for the treatment of symptomatic benign prostatic hyperplasia (BPH) in men with an enlarged prostate to: -Improve symptoms -Reduce the risk of the need for surgery including transurethral resection of the prostate (TURP) and prostatectomy.
Conditions associated with Finasteride in labeling
Frequently Asked Questions
What is Finasteride used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Finasteride?
The table above shows adverse reactions and the highest frequencies reported in placebo-controlled trials summarized in current FDA labeling for Finasteride. Individual risk varies.
Does Finasteride require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Finasteride.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.