Propranolol is a type of beta-blocker that helps the heart to beat slower and more steadily. Common side effects may include drowsiness, nausea, and diarrhea. Propranolol is a medication of the beta blocker class. [2][9][11] It is used to treat high blood pressure, some types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, akathisia, performance anxiety, and essential tremor, [11][12][13][14] as well as to prevent migraine headaches, and to prevent further heart problems in those with. Learn about the side effects of propranolol, from common to rare, for consumers and healthcare professionals. Propranolol is a beta-blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions. It is used after a heart attack to improve the chance of survival. It is also used to prevent migraine headaches and chest pain (angina). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Preventing chest pain can help improve. Propranolol oral solution is used to treat proliferating infantile hemangioma that requires treatment that spreads throughout the body. This medicine is a beta-blocker. It works by affecting the response to nerve impulses in certain parts of the body, like the heart. As a result, the heart beats slower and decreases the blood pressure. Propranolol Brand names: Bedranol, Beta-Prograne, Half Beta-Prograne Find out how propranolol treats heart problems and helps with symptoms of anxiety and migraines, and how to take it. View propranolol hydrochloride information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, contra-indications and monitoring. Find patient medical information for Propranolol (Inderal LA, Innopran XL, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Propranolol is a beta-blocker that is used to treat high blood pressure, angina, anxiety, heart rhythm disorders, migraine prevention, and other heart or circulatory conditions. Propranolol is used to treat high blood pressure, atrial fibrillation, tremor, and other conditions. Learn about side effects, warnings, dosage, and more.