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Alpha blockers (or adrenergic alpha-antagonists) are agents which act as antagonists of alpha adrenergic receptors.[1]
Classification
They can be divided into two classes.
- Alpha-1 blockers - act at alpha-1 adrenergic receptors
- Alpha-2 blockers - act at alpha-2 adrenergic receptors
When the term "alpha blocker" is used without further qualification, it sometimes refers to alpha-1 blockers, and sometimes refers to agents that act at both types of receptors.
The agents carvedilol and labetalol are alpha blockers and beta blockers.
Uses
Alpha blockers can be used in the treatment of several conditions, such as scleroderma.[2]
References
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Wikipedia content modification information:
- This page was last modified on 28 July 2008, at 21:16.
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