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Table 3.

Mechanism of action of psychotropic medications.

Medication Mechanism of action
Citalopram, sertraline, fluoxetine SSRI
Quetiapine Dopamine, serotonin, and adrenergic antagonist
Mirtazapine NASSA
Risperidone Decreases dopaminergic and serotonergic pathway activity
Duloxetine SNRI
Clozapine Dopamine and serotonin antagonist
Amitriptyline TCA

NASSA, noradrenaline and specific serotonergic antidepressants; SNRI, serotonin-noradrenaline reuptake inhibitors; SSRI, selective serotonin reuptake inhibitor; TCA, tricyclic antidepressants.