Sympathomimetics
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AMD:CLASS:00777
Sympathomimetics
Latest published update: 30 Jul 2026Exam Points3
View all →Sympathomimetics: classification
Direct agents include epinephrine, norepinephrine, phenylephrine, dobutamine and beta-2 agonists.
Sympathomimetics: mechanism
Direct drugs activate alpha or beta G-protein-coupled receptors.
Sympathomimetics: adverse effects and precautions
Excess sympathetic stimulation causes anxiety, tremor, insomnia, tachycardia, arrhythmia, hypertension and ischaemia.
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