Verapamil Hydrochloride and heart rate

I was put on Verapamil 120mg after being taken off of Atenolol which I had been on for 5 years. I also took Lisinipril along with the Atenolol. I had a couple of rough months getting off the Atenolol as there are some side effects to doing that. I was put on th Verapamil along with Enalapril and Hydrochlorithiazide, didn't feel well. Off the Enalapril and Hydrochlorithiazide now and have increased the Verapamil to 180mg. I feel so tired but can't sleep, have no energy and my heartrate is still up there. Doctor wants to add Digoxin, will this help or make it worse. I felt better on the lower dose but it wasn't controlling the BP.
Thank you for your time and would appreciate any info.

I have very high blood pressure. I was on a beta blocker for years (my heart runs extremely fast) to slow the heart down. Too many side effects - asked the doctor to change. First of all NEVER go off of a beta blocker cold turkey (yuk). Anyway, my heart is really fast (I am on 240 mg). It seems that my heart still is running extremely fast and I have developed the most horrible pain in both of my arms. It is from my elbows down to my fingertips. It feels like someone is squeezing my arm really tight. My fingers are tingly. Is this a possible side effect or has anybody ever experienced this before?????