Adrenergic Agonists
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Adrenergic Agonists
Latest published update: 30 Jul 2026Exam Points3
View all →Adrenergic agonists: classification
Direct agonists are grouped by alpha-1, alpha-2, beta-1, beta-2, beta-3 or mixed receptor activity.
Adrenergic agonists: mechanism
Alpha-1 activation causes smooth-muscle contraction; central alpha-2 activation reduces sympathetic outflow.
Adrenergic agonists: adverse effects and precautions
Adverse effects include hypertension, arrhythmia, tremor, anxiety, ischaemia and hypokalaemia.
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