I suffer with Narcolepsy and have to take Amphetimines regularly (4x Daily) to keep awake.  As I was having problems with my pulse racing after taking the tablets, I was sent for a 24 hour ECG.  Consequently, I was diagnosed with circadianer sinus rhythm.  As there is no way I can stop the Amphetamines, and no other drugs are available for the treatment of Narcolepsy, I have been told that I need to take Beta Blockers!  My question is:-  Is there really nothing more that can be done, or do I really just have to hope for the best and start with Beta Blockers?
Welcome to Chat Doctor .yes you have to start with beta blocker for racing pulse etc. but first try lower dosage as 25 mg metoprolol etc .if a person is not diabetic and does not have abnormal lipid profile or any peripheral vascular disease beta blocks are safe