Finasteridedrug info
finasteride 5 MG Oral Tablet
What it is used for
1.1 Monotherapy
Finasteride tablets are indicated for the treatment of symptomatic benign prostatic hyperplasia (BPH) in men with an enlarged prostate to: - Improve symptoms - Reduce the risk of acute urinary retention - Reduce the risk of the need for surgery including transurethral resection of the prostate (TURP) and prostatectomy.
1.2 Combination with
Alpha-Blocker Finasteride tablets administered in combination with the alpha-blocker doxazosin is indicated to reduce the risk of symptomatic progression of BPH (a confirmed ≥ 4 point increase in American Urological Association (AUA) symptom score).
1.3 Limitations of
Use Finasteride tablets are not approved for the prevention of prostate cancer.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 16, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Finasteride, a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5α -reductase, an intracellular enzyme that converts the androgen testosterone into 5α -dihydrotestosterone (DHT). Finasteride is 4-azaandrost-1-ene-17-carboxamide, N-(1, 1-dimethylethyl)-3-oxo-, (5α, 17ß)-. The empirical formula of finasteride is C23H36N2O2 and its molecular weight is 372.55.
Its structural formula is: [Structutre] Finasteride USP is a white crystalline powder with a melting point near 250°C. It is freely soluble in chloroform and in lower alcohol solvents, but is practically insoluble in water. Finasteride tablets, USP for oral administration are film-coated tablets that contain 5 mg of finasteride and the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, pregelatinized starch (maize), sodium starch glycolate, lauroylmacrogol 32 Glycer, magnesium stearate, hypromellose, titanium dioxide, polyethylene glycol, and FD & C blue #2/indigo carmine aluminium lake.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 16, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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