Propranolol hydrochloride extended-release capsules (60 mg, 80 mg, 120 mg, and 160 mg) release propranolol hydrochloride at a controlled and predictable rate. Peak blood levels following dosing with propranolol hydrochloride extended-release capsules occur at about 6 hours. Find out how propranolol treats heart problems and helps with symptoms of anxiety and migraines, and how to take it. NHS medicines information on propranolol – what it's used for, side effects, dosage and who can take it. 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 used alone or together with other medicines to treat high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly. Propranolol is being investigated as a potential treatment for PTSD. [34][35][36] Propranolol works to inhibit the actions of norepinephrine (noradrenaline), a neurotransmitter that enhances memory consolidation. [citation needed] 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). Propranolol hydrochloride tablets are indicated to reduce cardiovascular mortality in patients who have survived the acute phase of myocardial infarction and are clinically stable. Easy-to-read patient tips for propranolol covering how it works, benefits, risks, and best practices. Propranolol is a prescription nonselective beta-blocker used to treat high blood pressure (hypertension), angina (chest pain), irregular heart rhythms, tremors, and to reduce the risk of complications after a heart attack. View propranolol hydrochloride information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, contra-indications and monitoring requirements.