44 citations
,
  July 2004   in “Archives of Dermatology”    Finasteride for hair loss has minimal impact on sexual function.  
               August 2018   in “Daehan binyogi jong-yang haksulji”    Taking sildenafil and finasteride together is safe and improves urinary and sexual symptoms in BPH patients.  
     
           May 2017   in “Endocrine Abstracts”    Testosterone levels are not linked to erectile dysfunction in young and middle-aged men with HIV.  
     
           5 citations
,
  August 2018   in “Sexual Medicine Reviews”    5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.  
     
           50 citations
,
  March 2017   in “PeerJ”    Using finasteride or dutasteride may cause long-lasting erectile dysfunction.