..it is the side effects that bite.
I was on BBs following cardio-thoracic surgery. They led to lethargy, running nose, loss of libido, and following the co-incidence of several major life stressors probably contributed to some acute depression.
Depression is a known side effect of BBs.
I have flicked them with my Cardiologist's blessing and control my BP through increased exercise, reduced alcohol intake, and meditation. The same things that will probably help your stress/anxiety levels.
Best of luck.