indicated for dogs that present Congestive heart failure (CHF)Atrioventricular valve dysfunction (mitral and/or tricuspid) Dilated cardiomyopathy Key therapeutic benefitsBenazepril acts as a vasodilator and reduces aldosterone production.Spironolactone blocks aldosterone, preventing myocardial fibrosis and ventricular arrhythmias.Both active ingredients combine their action at different stages of the renin-angiotensin-aldosterone system (RAAS) for a comprehensive effect