I take metoprolol, another beta blocker, and it helps some. Slows down the heartbeat and reduces blood pressure as the actions of my heart are a trigger for me. I don't like the fatigue/ tired feeling I get from the med but it is transitory and does pass. I take only half the dose prescribed(25mg) daily but did double up when I had a severe panic episode for one month and it helped knock out many of the PVCs I was having at the time. I was able to titrate back down over a couple of weeks. All in all, it's ok.