Anger Issues! Any medication?

I have a friend who is short fused over alot of silly little things, is nearby any medication that really works. They have be on something before but not sure what it is. Any suggestions as far as medication. They hold already tried therapy and anger managment. And in attendance is no certain item that trigures the anger.Anger Issues! Any medication?
Anger is an emotion that uses sympathetic fretful system. Propranalol 20mg bd should work.
Ever since I started using betablockers I never got angry.
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