| stop = * '''Before day 1:''' gradually reduce dosage of citalopram/escitalopram to a maximum of 20 mg/ day resp. 10 mg/day, when this dosage is respectively > 20 mg/day and > 10 mg/day. * '''Day 1:''' reduce dosage of citalopram/escitalopram to a maximum of 10 mg/ day resp. 5 mg/day. {{StopCitalopram}}
| start =
* '''Day 1:''' simultaneously start mirtazapine in a normal dosage of 15-30 mg/day.
* '''Day 8:''' stop administration of citalopram/escitalopram and continue administration of mirtazapine.