Propranolol

Rare card · No. 17890

Propranolol is a medication of the beta blocker class. It is used to treat high blood pressure, some types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, akathisia, performance anxiety, and essential tremors, as well as to prevent migraine headaches, and to prevent further heart problems in those with angina or previous heart attacks. It can be taken orally, rectally, or by intravenous injection. The formulation that is taken orally comes in short-acting and long-acting versions. Propranolol appears in the blood after 30 minutes and has a maximum effect between 60 and 90 minutes when taken orally. Common side effects include nausea, abdominal pain, and constipation. It may worsen the symptoms of asthma. Propranolol may cause harmful effects for the fetus if taken during pregnancy; however, its use during breastfeeding is generally considered to be safe. It is a non-selective beta blocker which works by blocking β-adrenergic receptors. Propranolol was patented in 1962 and...

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