| to = nortriptyline
| stop =
* '''Before day 1:''' gradually reduce dosage of fluvoxamine to a maximum of 50 mg/ day when this dosage is > 50 mg/day. * '''Day 1:''' reduce dosage of fluvoxamine to a maximum of 25 mg/day. {{TCAdecrease25p3d}}
| start =
Caution is necessary.* '''Day 1:''' simultaneously start administration of nortriptyline in a low dosage of 25 mg/day.* '''Day 8:''' stop administration of fluvoxamine and continue administration of nortriptyline in a dosage of 50 mg/day. {{TCAincrease25p3d}}| info = * Fluvoxamine slows the metabolism of nortriptyline via CYP2D6.* "Start low, go slow" is not required, but caution is necessary.{{reviewTCAplasmalevelmonitoring}}
}}
