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Adrenergic Antagonists

Adrenergic antagonists are a type of drug used to treat a range of conditions including high blood pressure, abnormal heart rhythms, heart disease.

There are two main types of adrenergic antagonists

  • α-adrenergic-antagonists (alpha blockers) such as alfuzosin (Uroxatral), doxazosin (Cardura), prazosin (Minipress), terazosin, tamsulosin (Flomax)
  • β-adrenergic-antagonists (beta blockers) such as acebutolol (Sectral), atenolol (Tenormin), bisoprolol (Zebeta), metoprolol, nadolol (Corgard), nebivolol (Bystolic), propranolol (Inderal LA)

Beta-blockers are drugs which are used to treat a range of conditions including hypertension, angina, irregular heartbeat, heart failure and heart attack.

Beta-blockers include acebutolol (Sectral), atenolol (Tenormin), celiprolol (Celectol), nadolol (Corgard), oxprenolol, pindolol (Visken), propranolol (Syprol) and sotalol (Sotacor).

Beta-bockers appear to work by blocking the beta-adrenoceptors (parts of a cell membrane) in the heart, blood vessels, bronchi, pancreas, and liver .


Propranolol is a type of drug called β-adrenergic antagonists (beta blockers). It is sold under various brand names including Angilol, Bedranol SR,  Beta Prograne, Half Beta Prograne, Inderal, InnoPran and  Syprol.

Propranolol is used to treat a range of conditions including high blood pressure, abnormal heart rhythms, heart disease, pheochromocytoma, and certain types of tremor. It is also used to prevent angina and migraine headaches. Propranolol is also used to improve survival after a heart attack.

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Updated
16 Jun 2018