Pimobendan is primarily used in veterinary medicine, particularly for the treatment of heart conditions in dogs. It is commonly prescribed for managing congestive heart failure (CHF) caused by dilated cardiomyopathy (DCM) or mitral valve disease (MVD). The drug works by enhancing the heart's ability to contract more effectively, improving cardiac output, and reducing the heart's workload. This helps alleviate symptoms such as fatigue, coughing, and difficulty breathing, ultimately improving the quality of life for affected animals. It is often used in combination with other medications like diuretics or ACE inhibitors to optimize treatment outcomes. Regular monitoring by a veterinarian is essential to adjust dosages and ensure the safety and efficacy of the therapy.