Mirtazapine (Remeron) is in a class of medications called tetracyclic antidepressants. Mirtazapine is an antidepressant used for the treatment of moderate to severe depression. Mirtazapine has a tetracyclic chemical structure and is classified as a Noradrenergic and specific serotonergic antidepressant (NaSSA). Mirtazapine and maprotiline are the only tetracyclic antidepressants that have been approved by the… Continue reading Mirtazapine (Remeron) to treat depression