Cardiomyopathy medications treat specific forms of cardiomyopathy, a heart muscle disorder. They broadly work by improving heart function and reducing the strain on your heart. Common classes include transthyretin (TTR) stabilizers and cardiac myosin inhibitors. Transthyretin stabilizers like Vyndaqel (tafamidis) and Vyndamax (tafamidis) are usually taken as oral pills. Myosin inhibitors, such as Camzyos (mavacamten), also come in oral form.