Alpha-adrenergic blocker
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Alpha-adrenergic_blocker".

Alpha blockers (or adrenergic alpha-antagonists) are agents that act as antagonists of alpha adrenergic receptors.[1]

Classification

They can be divided into two classes.

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

  1. ^ MeSH alpha-Adrenergic+Blockers
  2. ^ "Alpha blockers - MayoClinic.com".
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v • d • e
Receptor agonists, antagonists, and reuptake inhibitors
BA/M
AA
ANS
(SANS only—see above for details)
v • d • e
Adrenergic antagonists
α
Non-selective α
reversible (Phentolamine) · irreversible (Phenoxybenzamine)
Ungrouped
β
β1 selective
(cardioselective)
Mixed α1/β
Indirect
tyrosine hydroxylase inhibitor (Metirosine) · vesicle storage inhibitor (Reserpine) · neurotransmitter release blocker (Guanethidine, Bretylium)
v • d • e
Urologicals (G04)
Acidifiers
Urinary antispasmodics
(primarily antimuscarinics)
For erectile dysfunction
Alpha blockers
Others
Other urologicals
For BPH
Alpha blockers (α1)
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