| start =
* '''Day 11:''' start fluvoxamine in a normal dosage of 50 mg/day.
* '''Day 14:''' If necessary, increase dosage of fluvoxamine to 100 mg/dayand later even more.
| info =
* Caution with this switch is necessary, because fluvoxamine slows the metabolism of mirtazapine via CYP1A2, CYP2C9, CYP2D6 and CYP3A4.}}