Propranolol 40 MG Tablet is a beta-blocker that is used to treat high blood pressure, irregular heartbeats, tremors, and other symptoms. It's given after a heart attack to help people live longer. It's also used to keep migraines and chest pain at bay. It lowers your heart rate and helps your heart move blood around your body more efficiently. It is typically used to treat high blood pressure and other heart problems, but it can also assist with anxiety symptoms like sweating and shaking.