what does 10mg of propranolol do
Propranolol belongs to a group of medicines called beta-blockers. It is used to: 1  treat high blood pressure, an enlarged heart muscle or tremors. 2  treat angina pectoris (pain in the chest caused by blockages in the arteries leading to the heart) or high blood pressure caused by a tumour near a kidney (phaeochromocytoma). the active substance (the ingredient that makes the tablets work) is propranolol hydrochloride. 2  Each tablet contains either 10mg, 40mg, 80mg or 160mg of the active substance. 3  the other ingredients are lactose, magnesium stearate, maize starch, stearic acid, hypromellose (E464).