heart failure
"I am doing so much better with carvediol than I did with Coreg.  I know, I know, it's the same thing, but the dosage choices are much broader than with Coreg.  I was having difficulty with the 20mg (1x daily) Coreg and switched to 6.25mg (2x daily) carvedilol and all the side effects went away (both drowsiness and dizziness).  It has been three months since the switch and I am as happy as a person can be having to take medication(s)."