Post-finasteride syndrome can cause a wide range of severe symptoms including loss of libido, erectile dysfunction, genital sensitivity issues, ejaculatory problems, infertility, penis shrinkage, Peyronie's disease, testicular pain, gynecomastia, chronic fatigue, muscle weakness/atrophy, joint pain, dry skin, memory problems, slow thinking, anxiety, depression, and insomnia.

“symptoms of PFS post-final right syndrome include decrease or complete loss of libido well we just stop right there I don't know if life is worth living without that low or no reaction to sexual simulation gets worse erectile dysfunction loss of pleasure or absence of sensation and orgasm loss of genital sensitivity decreasing ejaculatory volume poor semen quality and infertility penis shrinkage and normal penis curvature which is known as Peyronie's disease testicular pain to Circular reduction gynecomastia which is man boobs chronic fatigue muscle weakness muscle atrophy and or pain muscle spasms joint pain dry skin memory problems slow thinking comprehension difficulty suppression Suicidal Thoughts anxiety disorders panic attacks emotional Detachment and insomnia”