Uncle not on meds vs. uncle on finasteride Progress Pictures 7/24/2025
A 43-year-old uncle on finasteride for 5 years has more hair than his 53-year-old uncle not on medication. Users discuss the effects and side effects of finasteride, including potential sexual side effects and gynecomastia.
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6 / 1000+ resultscommunity PSA: Most men who stay on Fin will see the sexual side effects go away. Stop the fear mongering
Finasteride can cause sexual side effects in less than 2% of men, but these often disappear over time, even if the treatment continues. Some users report persistent side effects, while others experience no issues or only temporary ones.
community Two Great Articles on NCBI That Summarize What We Actually Know About Finasteride Side Effects
The side effects of taking finasteride as a treatment for hair loss, with particular focus on its sexual and psychiatric side effects; research has indicated that there are high and low outliers in terms of prevalence of sexual side effects, but it is usually between 3-5%, while evidence of lasting sexual side effects comes from lower quality sources.
community 25 years on finasteride - my experience
A long-term finasteride user experienced side effects like sexual dysfunction, dry eyes, muscle weakness, and brain fog, which improved when they stopped the medication. They decided to stop finasteride again, questioning if maintaining hair was worth the negative impact on their well-being.
community Guide To Finasteride and Avoiding Side Effects
The conversation provides a guide on using finasteride for hair loss, suggesting to start with a quarter of a 1mg pill daily after ensuring estradiol levels are within a specific range, and potentially increasing the dose if no side effects occur. It also recommends supplements like DIM, Calcium d-glucarate, and Zinc to manage high estradiol levels and side effects from finasteride.
community Discussion on Finasteride and life.
Finasteride can aid hair regrowth but may cause side effects like depression and sexual dysfunction. Users discuss experiences with finasteride, minoxidil, and RU58841, highlighting varied responses and the importance of informed treatment choices.
community Trying to understand finasteride side effects and post finasteride syndrome
The conversation discusses the side effects of finasteride, including low libido and erectile dysfunction, and the possibility of these effects being permanent, known as post-finasteride syndrome (PFS). Some users report personal experiences with PFS and debate whether the condition is real, with varying opinions on the reversibility of side effects and the role of individual biology.
Related Research
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research Finasteride
Finasteride helps hair growth and prostate issues but may cause sexual side effects and increase tumor risk.

research Clinical Pharmacokinetics and Pharmacodynamics of Finasteride
Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.

research 5ฮฑ-Reductase Inhibitors in Androgenetic Alopecia
Finasteride and dutasteride effectively treat hair loss in men and women, but may cause side effects like low libido and depression.
research A Comment on the Post-Finasteride Syndrome
The true incidence of post-Finasteride syndrome is unclear, and more research is needed.

research Analysis of Data From Breast Diseases Treated With 5-Alpha Reductase Inhibitors for Benign Prostatic Hyperplasia
Medicines for enlarged prostate may raise the risk of breast growth and tenderness but not breast cancer.

research Development of Finasteride Polymer Microspheres for Systemic Application in Androgenic Alopecia
Finasteride microspheres help reduce hair loss for up to eight weeks with fewer side effects.