* '''Day 8:''' stop administration of mirtazapine.
| start =
* '''Day 811:''' start fluvoxamine in a normal dosage of 50 mg/day.* '''Day 14:''' If necessary, increase dosage of fluvoxamine to 50-100 mg/day.
| info =
* Caution with this switch is necessary, because fluvoxamine slows the metabolism of mirtazapine via CYP1A2, CYP2C9, CYP2D6 and CYP3A4.}}