i am new . My heart wall has thickened and blocks the exit of blood. This was treated at first with betablockers - however i reduced the dose because my blood pressure was low and made me feel weak. A recent echocardiogram showed deterioration and so i had to go into hospital to have my medcation changed - i now take disopyramide on top of the betablocker. i feel ill now! dont know if it the side effects of the drugs?