18 citations
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June 2017 in “Journal of the neurological sciences” In this study, the use of 5 alpha reductase inhibitors was associated with an increased risk of dementia during the first two years of treatment, but the risk was not significant with longer exposure.
8 citations
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January 2016 in “Case Reports in Psychiatry” The authors report a dementia patient who developed severe trichotillomania unresponsive to SSRIs, which improved with quetiapine; they suggest dopamine blockade may manage such symptoms in dementia.
December 2022 in “JAMA network open” This study found that men using 5-alpha-reductase inhibitors showed an increased risk for dementia shortly after starting treatment, which diminished over time, and a consistent association with depression, but no link to suicide.
4 citations
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May 2011 in “Movement Disorders” A woman's unique dementia was misdiagnosed, a genetic mutation increases Parkinson's risk with age, and finasteride may help with Tourette syndrome.
December 2025 in “International Neurourology Journal” This study examined the dementia risk in patients with benign prostatic hyperplasia using alpha-blockers and 5-alpha reductase inhibitors, finding no significant association between these medications and increased dementia risk compared to no treatment, but noted higher risk probabilities for certain 5ARIs.