| to = fluvoxamine
| stop =
* '''Before day 1:''' gradually reduce dosage of mirtazapine to a maximum of 30 mg/ day.* '''Day 1:''' reduce a dosage of 30 mg/day to 15 mg/day.* '''Day 8:''' stop administration of mirtazapine.{{stopMirtazapine}}
| start =
* '''Day 11:''' start fluvoxamine in a normal dosage of 50 mg/day.* '''Day 14:''' If necessary, increase dosage of fluvoxamine to 100 mg/day and later even more. {{startFluoxetine}}
| info =
* Caution with this switch is necessary, because fluvoxamine Fluvoxamine slows the metabolism of mirtazapine via CYP1A2, CYP2C9, CYP2D6 and CYP3A4.{{reviewlowlevels}}
}}