| to = imipraminefluoxetine| stop = * Day 0: gradually reduce dosage of citalopram/escitalopram to a maximum of 20 mg/day resp. 10 mg/day{{StopSSRI, 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. SNRI}}| start = * Day 1: simultaneously start administration of nortriptyline in a normal dosage of 50 mg/day.* Day 8: stop administration of citalopram/escitalopram and continue administration of nortriptyline only. {{StartAntidepressant}}| info = * “Start low, go slow” for nortriptyline is not required, but caution is necessary.Safe target dose fluoxetine = 20 mg* The same applies to [[escitalopram]].{{theorSS}}