* '''Day 3:''' reduce dosage of doxepin to 25 mg/day.
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* '''Day 13:''' simultaneously start administration of fluvoxamine in a normal dosage of 50 mg/day.
* '''Day 8:''' stop administration of doxepin and continue administration of fluvoxamine in a dosage of 50-100 mg/day.
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* Occurrence of serotonin syndrome is theoretically possible, so caution is necessary{{theorSS}}.}}