269 citations
,
May 2002 in “Journal of Neuroscience” Stress increases neurosteroids that help prevent seizures.
9 citations
,
January 2009 in “PubMed” Finasteride treatment can decrease certain steroids and increase others, possibly leading to depression symptoms in some cases.
February 2026 in “NeuroSci” Finasteride and dutasteride may cause depression and anxiety, especially in younger men.
59 citations
,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
11 citations
,
November 2021 in “International journal of molecular sciences” Gut microbes significantly affect brain steroid levels.
7 citations
,
January 2018 in “Reproduction” Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
33 citations
,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
18 citations
,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
14 citations
,
March 2018 in “Translational Stroke Research” Finasteride helps protect brain in old male rats.
75 citations
,
January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
72 citations
,
January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
30 citations
,
October 2020 in “Nature Communications” Finasteride irreversibly affects human steroid 5α-reductase 2, providing insight into its catalytic mechanism and disease-related mutations.
12 citations
,
April 2018 in “Physiology & Behavior” Finasteride raises suicide-linked aggression and stops clozapine's positive effects in schizophrenia animals.
27 citations
,
May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
223 citations
,
December 2010 in “The Journal of Sexual Medicine” Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.
10 citations
,
August 2020 in “International Journal of Andrology” 5α-reductase inhibitors like finasteride may not be effective or safe for transgender individuals, and more research is needed.
1 citations
,
August 2015 in “Current Sexual Health Reports” 5α-reductase inhibitors can cause serious and possibly lasting sexual and psychological side effects.
Early NAS level changes affect alcohol consumption vulnerability.
1 citations
,
March 2016 in “Neurotoxicity Research” Finasteride may protect brain and improve behavior in rats with liver failure.
111 citations
,
August 2015 in “Reviews in Endocrine and Metabolic Disorders” 5α-reductase inhibitors may cause persistent sexual dysfunction and depression, needing more research on long-term effects.
21 citations
,
February 2005 in “Epilepsy & Behavior” Reducing 3α,5α-THP in the hippocampus increases seizures in female rats.
7 citations
,
October 2017 in “Behavioural Pharmacology” Fluoxetine's effectiveness as an antidepressant in mice depends on a specific protein activity and a 5-minute pretest.
15 citations
,
March 2020 in “Anais Brasileiros De Dermatologia” Finasteride may cause lasting sexual, mental, and physical symptoms; use with caution.
20 citations
,
January 2018 in “Expert Opinion on Drug Safety” Personalized treatment with inhibitors, minoxidil, and laser therapy helps hair loss.
12 citations
,
June 2019 in “Psychoneuroendocrinology” Allopregnanolone is needed for certain brain processing issues caused by D1 dopamine receptor activation.
11 citations
,
February 2018 in “Archives of Pharmacal Research” Finasteride reduces melanin production, possibly treating hyperpigmentation and melanoma, but needs more safety research.
4 citations
,
June 2003 in “Fertility and Sterility” Finasteride doesn't affect ovulation in normal women.
24 citations
,
May 2015 in “Schizophrenia Research” A drug improved schizophrenia-like symptoms in stressed rats by changing brain steroid levels.
25 citations
,
June 2017 in “Scientific reports” Stress worsens Tourette symptoms by increasing allopregnanolone levels.
15 citations
,
June 2019 in “Journal of Neuroendocrinology” Isoallopregnanolone may be a safe and effective treatment for reducing tics in a mouse model of Tourette syndrome.