| start =
* '''Day 8:''' start administration of fluoxetine in a normal dosage of 20 mg/day.
* '''Day 15:''' if necessary, increase dosage of fluoxetine.
| info =
* Occurrence of serotonin syndrome is theoretically possible, so caution is necessary.
* Fluoxetine and norfluoxetine are inhibitors of CYP2D6 (strong) and CYP3A4 (moderate), which metabolize amitriptyline.}}