| to = nortriptyline
| stop =
* '''Day 0:''' 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.{{TCAdecrease25p3d}}| start = No wash-out period is needed.{{TCAincrease25p3d}}* '''Day 1:''' simultaneously start administration of nortriptyline in a dosage of 50 mg/day. | info =* '''Day 8:''' stop administration of mirtazapine and continue administration of nortriptyline. If necessary, increase dosage of nortriptyline.{{TCAplasmalevelmonitoring}}* "Start low, go slow" is not required, but caution is necessary.}}
