| to = fluvoxamine
| stop =
* '''Before day 0:''' gradually reduce dosage of nortriptyline to a maximum of 50-100 mg/day.* '''Day 1:''' reduce dosage of nortriptyline to 50 mg/day.* '''Day 3:''' reduce dosage of nortriptyline to 25 mg/day.{{TCAdecrease25p3d}}| start = * '''Day 1:''' simultaneously start administration of fluvoxamine in a normal dosage of 50 mg/day.* '''Day 8:''' stop administration of nortriptyline and continue administration of fluvoxamine.{{StartAntidepressant}}| info = * Occurrence of serotonin syndrome is theoretically possible, so caution is necessary.Safe target dose fluvoxamine = 100 mg
}}
