Hello... please check Dr Gerald Mcguire on youtube , Dr gerald mcguire and his brother were severe sturrer as well, and his brother did suicide because of stuttering....later dr gerald started to do research and finding pharmacological treatment of stuttering and he not only treated his stuttering but also treated many people that i know....so there is a hope brother [Gerald Maguire M.D., - Stuttering: Neurophysiology and Medical Treatment](https://www.youtube.com/watch?v=uJTlCj-ZP2E&t=46s) you can also check r/StutterMedication thread.... you can also read this book of dr gerald [https://www.amazon.com/Without-Hesitation-Speaking-Silence-Stuttering/dp/1929773110](https://www.amazon.com/Without-Hesitation-Speaking-Silence-Stuttering/dp/1929773110)