13 citations
,
January 2020 in “Neuroscience” Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.
20 citations
,
November 2019 in “Biomolecules” Finasteride reduces response to stress and rewards, affecting behavior and mental health.
19 citations
,
March 2019 in “Behavioural Brain Research” Finasteride use can cause depression-like behavior in male rats.
37 citations
,
September 2018 in “Psychoneuroendocrinology” Finasteride treatment in male rats causes long-lasting effects on depression-like behavior, brain cell growth, inflammation, and gut bacteria composition.
35 citations
,
June 2018 in “Urology” The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
18 citations
,
June 2017 in “Journal of the neurological sciences” Using 5 alpha reductase inhibitors may increase dementia risk in the first two years.
58 citations
,
April 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” Post-finasteride patients show changed neuroactive steroid levels, possibly causing erectile dysfunction and depression.
90 citations
,
March 2017 in “JAMA Internal Medicine” Men over 66 taking medication for prostate enlargement have a higher risk of depression and self-harm, especially in the first 18 months of treatment.
31 citations
,
February 2016 in “American Journal of Men's Health” Finasteride can cause serious emotional side effects; doctors should check patients' mental health history before prescribing.
33 citations
,
January 2016 in “Skin appendage disorders” The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
11 citations
,
August 2015 in “PLOS ONE” Finasteride affects brain stress and enzyme activity differently in various regions, possibly helping with liver-related brain issues.
26 citations
,
August 2014 in “PubMed” Testosterone improves mood and thinking skills; finasteride has no effect.
81 citations
,
June 2014 in “American Journal of Men's Health” Finasteride can cause lasting sexual, emotional, and cognitive issues, with varying severity.
61 citations
,
April 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.
73 citations
,
July 2013 in “The Journal of Sexual Medicine” Finasteride use changes brain chemicals, causing lasting sexual issues and anxiety/depression.
134 citations
,
August 2012 in “The Journal of Clinical Psychiatry” Former finasteride users with persistent sexual side effects have higher rates of depression and suicidal thoughts.
72 citations
,
January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
32 citations
,
May 2010 in “Pharmacopsychiatry” Finasteride reduces new brain cells in male mice, possibly causing depression.
61 citations
,
September 2008 in “Biological & Pharmaceutical Bulletin” Finasteride almost fully depletes allopregnanolone in rat brains and enhances 20α-DHP, but doesn't change 3α-DHP levels.
77 citations
,
November 2007 in “International Journal of Andrology” Testosterone with or without finasteride doesn't improve thinking skills in older men with low testosterone.
99 citations
,
October 2006 in “BMC clinical pharmacology” Finasteride may cause slight depression and anxiety.
137 citations
,
March 2006 in “Cns Drug Reviews” Finasteride treats enlarged prostate and hair loss, but may cause side effects in some patients.
88 citations
,
October 2002 in “Journal of Dermatology” Finasteride for hair loss may cause depression, affecting sleep and relationships.
56 citations
,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
28 citations
,
January 1991 in “Reproductive Toxicology” Finasteride temporarily lowers male rat fertility without affecting libido.