| to = fluvoxamine
| stop =
* '''Before day 1:''' gradually reduce dosage of dosulepine to a maximum of 75 mg/day.* '''Day 1:''' reduce dosage of dosulepine to 50 mg/day.* '''Day 3:''' reduce dosage of dosulepine to 25 mg/day.* '''Day 7:''' stop administration of dosulepine{{TCAdecrease25p3d}}
| start =
* '''Day 8:''' start administration of fluvoxamine in a normal dosage of 50 mg/day.{{StartfluvoxIA}}
| info =
* Occurrence of serotonin syndrome is theoretically possible, so caution is necessary.* Fluvoxamine is an inhibitor of CYP1A2, CYP2C19 and CYP3A4 (moderate), which metabolize dosulepine.* Safe target dose fluvoxamine = 100 mg
}}