Propranolol

Propranolol, sold under the brand name Inderal among others, is a medication of the beta blocker class.[1] It is used to treat high blood pressure, a number of types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, performance anxiety, and essential tremors,[1][2][3] as well to prevent migraine headaches, and to prevent further heart problems in those with angina or previous heart attacks.[1] It can be taken orally (by mouth) or by intravenous injection (injection into a vein).[1]