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What is Nadolol and explain in detail?
Nadolol, sold under the brand name Corgard among others, is a medication used to treat high blood pressure, heart pain, atrial fibrillation, and some inherited arrhythmic syndromes. It has also been used to prevent migraine headaches and complications of cirrhosis. It is taken orally.Common side effects include dizziness, feeling tired, a slow heart rate, and Raynaud syndrome. Serious side effects may include heart failure and bronchospasm. Its use in pregnancy and breastfeeding is of unclear safety. It is a non-selective beta blocker and works by blocking β1-adrenergic receptors in the heart and β2-adrenergic receptors in blood vessels.Nadolol was patented in 1970 and came into medical use in 1978. It is available as a generic medication. In 2016, it was the 283rd most commonly prescribed medication in the United States, with more than a million prescriptions.

Medical uses
Nadolol is used to treat hypertension and for long-term treatment of angina pectoris and is approved by the FDA for these purposes.It is regularly used off-label for control of heart rate in people with atrial fibrillation, prevention of migraine headaches; prevention of bleeding veins in people with portal hypertension caused by cirrhosis; and to treat people with high levels of thyroid hormone.Nadolol is the preferred beta-blockers in the management of patients with LQTS for prevention of ventricular arrhythmia. It is more efficacious than selective beta blockers or propranolol in the prevention of breakthrough cardiac events. Similarly, it is the preferred type of beta blocker for treatment of patients with CPVT, as it has been shown to be more efficacious than selective beta blockers, like atenolol or bisoprolol.Nadolol has the advantage of once daily dosing and thus improved patient compliance. For patients with decreased kidney function, nadolol may be dosed less often