Antiadrenergic Drugs

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Chapter: Essential pharmacology : Antiadrenergic Drugs (Adrenergic Receptor Antagonists) And Drugs For Glaucoma

These are drugs which antagonize the receptor action of adrenaline and related drugs. They are competitive antagonists at α or β or both α and β adrenergic receptors and differ in important ways from the “adrenergic neurone blocking agents”, which act by interfering with the release of adrenergic transmitter on nerve stimulation.


ANTIADRENERGIC DRUGS

 

These are drugs which antagonize the receptor action of adrenaline and related drugs. They are competitive antagonists at α or β or both α and β adrenergic receptors and differ in important ways from the “adrenergic neurone blocking agents”, which act by interfering with the release of adrenergic transmitter on nerve stimulation. These differences are given in Table 10.1.

 

α Adrenergic Blocking Drugs

 

These drugs inhibit adrenergic responses mediated through the α adrenergic receptors without affecting those mediated through β receptors.

 

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