* '''Day 1:''' reduce dosage of amitriptyline to 25 mg/day.
* '''Day 8:''' stop administration of amitriptyline.
| start = * '''Day 8:''' start administration of citalopram/escitalopram in a normal dosage of 20 mg/day, resp. 10 mg/day.* '''Day 15:''' if necessary, increase dosage of citalopram/escitalopram.{{StartCitalopram}}