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The mechanisms of sympathomimetic drugs can be direct-acting (direct interaction between drug and receptor), such as α-adrenergic agonists, β-adrenergic agonists, and dopaminergic agonists; or indirect-acting (interaction not between drug and receptor), such as MAOIs, COMT inhibitors, release stimulants, and reuptake inhibitors that increase the levels of endogenous catecholamines.
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Alpha-adrenergic agonists are a class of sympathomimetic agents that selectively stimulates alpha adrenergic receptors. The alpha-adrenergic receptor has two subclasses α 1 and α 2. Alpha 2 receptors are associated with sympatholytic properties. Alpha-adrenergic agonists have the opposite function of alpha blockers.
They are a class of sympathomimetic agents, each acting upon the beta adrenoceptors. [2] In general, pure beta-adrenergic agonists have the opposite function of beta blockers : beta-adrenoreceptor agonist ligands mimic the actions of both epinephrine - and norepinephrine - signaling, in the heart and lungs, and in smooth muscle tissue ...
Following is a list of antipsychotics, sorted by class. Antipsychotics. Antipsychotics by class Generic name Brand names Chemical class ATC code
Phenylpropanolamine (PPA), sold under many brand names, is a sympathomimetic agent used as a decongestant and appetite suppressant. [9] [1] [10] [11] It was once common in prescription and over-the-counter cough and cold preparations.
The following is a list of key pharmaceuticals in the prevention and treatment of respiratory-related ailments. Adrenergic (Sympathomimetic) Bronchodilators [ edit ]
Note that drugs may be cardioselective, or act on β 1 receptors in the heart only, but still have intrinsic sympathomimetic activity. Acebutolol (has intrinsic sympathomimetic activity, ISA) [80] Atenolol [80] Betaxolol [80] Bisoprolol [80] Celiprolol (has intrinsic sympathomimetic activity) [84] Metoprolol [80] Nebivolol [80] Esmolol [85]