Mirtazapine vs. Citalopram — What's the Difference?

Mirtazapine, sold under the brand name Remeron among others, is an atypical antidepressant, and as such is used primarily to treat depression. Its effects may take up to four weeks, but can also manifest as early as one to two weeks.

Citalopram, sold under the brand name Celexa among others, is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. It is used to treat major depressive disorder, obsessive compulsive disorder, panic disorder, and social phobia.

(pharmaceutical drug) An antidepressant drug C₁₇H₁₉N₃ taken orally especially to treat major depressive disorder. It is marketed under the trademark Remeron.

A drug of the SSRI class, C20H21FN2O, used in its hydrobromide form to treat depression.

(pharmaceutical drug) A drug that functions as a SSRI and is administered orally in the form of its hydrobromide C₂₀H₂₁FN₂O·HBr to treat depression and anxiety. It is marketed under the trademark Celexa.