Carvedilol is a beta blocker first with known diuretic as well. My local cardeologist put me on it a few years ago and even when i told him that my symptoms have increased he said i needed to stay on it because it helps dialate the vessels so blood can move more easily.
It wasnt till i went to the mayo that i was told carvedelol may have exasperated my condition because HCM patients do not respond well to diuretics.
Which it makes sense if you think about the concept
If you have a bag full of water with a tube hooked up to it and squeeze the bag yku have a pressure resistance, but if you put a bigger hose on the bag and squeeze less pressure resistance.
When they did my stress the noticed my blood pressure was falling the more they stressed my hear!
Now carvedilol may have effected me in that way because i have severe outlet flow obstruction and im pretty active as far as intense exercising

Drugs to avoid in hypertrophic cardiomyopathy

Beta-Blockers to Avoid
Some beta-blockers should be avoided in HCM because they can also cause vasodilation, or dilation of the blood vessels, which can worsen symptoms. Specific beta blockers that should generally be avoided in HCM include carevedilol and labetalol

Im glad its working for you.