This thread: [(1) Propranolol : Stutter (reddit.com)](https://www.reddit.com/r/Stutter/comments/asz8yg/propranolol/) the OP said it lasted for 7-8 hours. Not sure his dosage. [PROPRANOLOL AND BUSPAR | Data on Medications for Stuttering (medsforstuttering.blogspot.com)](http://medsforstuttering.blogspot.com/2012/09/propranolol-and-buspar.html) This guy takes 10mg just the mornings. I'm just looking for more opinions.