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(New page: {{BioPsy}} An '''Adrenergic antagonist''' is a pharmaceutical substance that acts to inhibit the action of the adrenergic receptors. It is thus a type of sympatholytic. It has the...)
 
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{{BioPsy}}
 
{{BioPsy}}
An '''Adrenergic antagonist''' is a pharmaceutical substance that acts to inhibit the action of the [[adrenergic receptor]]s. It is thus a type of [[sympatholytic]].
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An '''Adrenergic antagonist''' is a pharmaceutical substance that acts to inhibit the action of [[catecholamines]] at the [[adrenergic receptor]]s. It is thus a type of [[sympatholytic]]. Many important and commonly prescribed medications are adrenergic antagonists, including [[prazosin]] and [[propanolol]]. Like all pharmacological [[receptor antagonist]]s, adrenergic antagonists only show an effect when the receptor's effector is present.
   
 
It has the opposite effect as [[adrenergic agonist]]s.
 
It has the opposite effect as [[adrenergic agonist]]s.
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* [[Alpha blocker]]s
 
* [[Alpha blocker]]s
 
* [[Beta blocker]]s
 
* [[Beta blocker]]s
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==Structure Activity Relationship==
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If the amine on the Adrenergic agent has a substituent bigger than a tertiary butyl, then the compound becomes an adrenergic antagonist.<ref>[http://pharmaxchange.info/notes/medicinal_chemistry/adrenergics_cholinergics.html Medicinal Chemistry of Adrenergics and Cholinergics]</ref>
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==References==
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{{Reflist}}
   
 
==External links==
 
==External links==
 
* {{MeshName|Adrenergic+antagonists}}
 
* {{MeshName|Adrenergic+antagonists}}
 
   
 
{{Antihypertensives and diuretics}}
 
{{Antihypertensives and diuretics}}
 
{{Receptor agonists and antagonists}}
 
{{Receptor agonists and antagonists}}
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{{Alpha blockers}}
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{{DEFAULTSORT:Adrenergic Antagonist}}
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[[Category:Antihypertensive agents]]
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{{enWP|Adrenergic antagonist}}

Revision as of 09:53, 20 November 2013

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An Adrenergic antagonist is a pharmaceutical substance that acts to inhibit the action of catecholamines at the adrenergic receptors. It is thus a type of sympatholytic. Many important and commonly prescribed medications are adrenergic antagonists, including prazosin and propanolol. Like all pharmacological receptor antagonists, adrenergic antagonists only show an effect when the receptor's effector is present.

It has the opposite effect as adrenergic agonists.

More specifically, they can be divided into:

Structure Activity Relationship

If the amine on the Adrenergic agent has a substituent bigger than a tertiary butyl, then the compound becomes an adrenergic antagonist.[1]

References

External links

Template:Antihypertensives and diuretics

Template:Alpha blockers

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