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    Glossary Finasteride

    medication that inhibits DHT to treat hair loss

    Finasteride is a medication primarily used to treat male pattern baldness (androgenetic alopecia) and benign prostatic hyperplasia (BPH). It works by inhibiting the enzyme 5-alpha-reductase, which converts testosterone to dihydrotestosterone (DHT), a hormone linked to hair loss and prostate growth. Commonly known by brand names like Propecia for hair loss and Proscar for BPH, finasteride is taken orally and requires a prescription.

    Related Terms

    Learn 2 of 20

    1. Finasteride Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically
    2. Dutasteride 5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride
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    Research 10 of 1000+

    1. The Long-Term Effect of Doxazosin, Finasteride, and Combination Therapy on the Clinical Progression of Benign Prostatic Hyperplasia The New England Journal of Medicine · 2003 · 1707 citations
    2. The Effect of Finasteride on the Risk of Acute Urinary Retention and the Need for Surgical Treatment among Men with Benign Prostatic Hyperplasia The New England Journal of Medicine · 1998 · 1054 citations
    3. The Effect of Finasteride in Men with Benign Prostatic Hyperplasia The New England Journal of Medicine · 1992 · 1040 citations
    4. Matrix Effect in Quantitative LC/MS/MS Analyses of Biological Fluids: A Method for Determination of Finasteride in Human Plasma at Picogram Per Milliliter Concentrations Analytical Chemistry · 1998 · 823 citations
    5. Finasteride in the treatment of men with androgenetic alopecia Journal of The American Academy of Dermatology · 1998 · 581 citations
    6. Exogenous Testosterone (T) Alone or with Finasteride Increases Physical Performance, Grip Strength, and Lean Body Mass in Older Men with Low Serum T The Journal of Clinical Endocrinology and Metabolism · 2005 · 506 citations
    7. Exogenous Testosterone or Testosterone with Finasteride Increases Bone Mineral Density in Older Men with Low Serum Testosterone The Journal of Clinical Endocrinology and Metabolism · 2004 · 417 citations
    8. Lack of efficacy of finasteride in postmenopausal women with androgenetic alopecia Journal of The American Academy of Dermatology · 2000 · 239 citations
    9. Finasteride 5mg and Sexual Side Effects: How Many of these are Related to a Nocebo Phenomenon? The Journal of Sexual Medicine · 2007 · 225 citations
    10. The importance of dual 5α-reductase inhibition in the treatment of male pattern hair loss: Results of a randomized placebo-controlled study of dutasteride versus finasteride Journal of The American Academy of Dermatology · 2006 · 215 citations
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    Community 10 of 1000+

    1. Finasteride 1mg Users: Did You Experience Noticeable Shedding When You First Started? Reddit · 28 Sept 2026
    2. Second Shed on Oral Min+Fin: Retrograde Thinning Concern Community · 27 Sept 2026
    3. 32M Fin 2 years + Min/Derma 2 months Reddit · 27 Sept 2026
    4. 23M Minoxidil + Finasteride 5 month progress Reddit · 27 Sept 2026
    5. 1-Year(ish) Journey with Oral Fin and Min Reddit · 26 Sept 2026
    6. Interpreting pre Finasteride blood work Reddit · 26 Sept 2026
    7. Never give up! 1mg finasteride for the past year Reddit · 26 Sept 2026
    8. Several months on finasteride, hair on back of hear mainly??? Reddit · 26 Sept 2026
    9. 3 months on Topical Min,Fin,Tre. Reddit · 26 Sept 2026
    10. Please help! Heavy shedding on fin 2 months in 21M Reddit · 26 Sept 2026
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