Ancarolol is primarily used in the treatment of cardiovascular conditions, particularly hypertension (high blood pressure) and certain types of arrhythmias (irregular heartbeats). It functions as a beta-blocker, which helps to reduce the heart rate and the force of heart contractions, thereby lowering blood pressure and decreasing the heart's workload. This makes it effective in managing conditions like angina pectoris, where it helps to prevent chest pain by improving blood flow to the heart. Additionally, Ancarolol is sometimes prescribed to prevent future heart attacks in patients who have already experienced one. Its ability to stabilize heart rhythm also makes it useful in treating certain types of tachycardia (rapid heart rate). In some cases, it may be used off-label for managing symptoms of anxiety or migraines, due to its calming effect on the nervous system.