What is the primary FDA label indication for Isosorbide Mononitrate?

Isosorbide Mononitrate is primarily indicated for the prophylaxis of angina pectoris due to coronary artery disease. This medication is classified as a nitrate, and it works by relaxing and dilating blood vessels, which helps improve blood flow and reduces the heart's workload. By preventing angina attacks before they occur, Isosorbide Mononitrate plays a crucial role in managing patients with chronic stable angina.

Other potential indications, like heart failure treatment, hypertension management, and arrhythmia control, are not the primary focus of Isosorbide Mononitrate. While vasodilators can sometimes aid in heart failure and may have secondary effects on blood pressure, the primary clinical use of Isosorbide Mononitrate remains the prevention of angina episodes, making the first choice the most aligned with its FDA label indication.