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Trazodone, sold under many brand names, [1] is an antidepressant medication, [20] used to treat major depressive disorder, anxiety disorders, and insomnia. [20] It is a phenylpiperazine compound of the serotonin antagonist and reuptake inhibitor (SARI) class.
These drugs act as antagonists or inverse agonists of the 5-HT 2A, α 1-adrenergic, and H 1 receptors, as partial agonists of the 5-HT 1A receptor, [3] and as inhibitors of the transporters. mCPP is an antagonist of the 5-HT 2B receptor, an agonist of the 5-HT 1A, [3] 5-HT 2C, and 5-HT 3 receptors, [4] [5] and acts as a partial agonist of the ...
In addition to their actions as reuptake inhibitors of serotonin, some SSRIs are also, coincidentally, ligands of the sigma receptors. [ 187 ] [ 188 ] Fluvoxamine is an agonist of the σ 1 receptor , while sertraline is an antagonist of the σ 1 receptor, and paroxetine does not significantly interact with the σ 1 receptor.
This is a complete list of clinically approved prescription antidepressants throughout the world, as well as clinically approved prescription drugs used to augment antidepressants or mood stabilizers, by pharmacological and/or structural classification.
Rare (<0.1%) adverse effects include: Urinary retention; Prolonged QT interval; Torsades de Pointes; Ataxia; Breast enlargement or engorgement; Lactation; Cardiospasm
An atypical antidepressant is any antidepressant medication that acts in a manner that is different from that of most other antidepressants. Atypical antidepressants include agomelatine, bupropion, iprindole, mianserin, mirtazapine, nefazodone, opipramol, tianeptine, and trazodone.
[4] [5] Antipsychotics like quetiapine and olanzapine and antidepressants like trazodone and mirtazapine are all potent serotonin 5-HT 2A receptor antagonists. [ 6 ] [ 28 ] [ 29 ] Conversely, benzodiazepines and alcohol act as positive allosteric modulators of the GABA A receptor and have anxiolytic and sedative effects. [ 30 ]
Nefazodone is a phenylpiperazine compound and is related to trazodone. It has been described as a serotonin antagonist and reuptake inhibitor (SARI) due to its combined actions as a potent antagonist of the serotonin 5-HT 2A and 5-HT 2C receptors and weak serotonin–norepinephrine–dopamine reuptake inhibitor (SNDRI).