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Definition

Beta blockers, also known as beta antagonists, are a class of drugs that were first developed for the treatment of certain heart conditions and hypertension. Later, beta blockers were also found to be useful in glaucoma, migraine, and some psychiatric disorders such as performance anxiety, tremors secondary to lithium, and movement disorders that are caused by some drugs used in the treatment of psychosis. In the United States, the most commonly used beta blocker used in psychiatric practice is propranolol (Inderal). Nadolol (Corgard), metoprolol (Lopressor), and atenolol (Tenormin) are also used in psychiatric practice...