* '''Day 8:''' stop administration of citalopram/escitalopram.
| start =
* '''Day 8-1422:''' a wash-out period of one week 2 weeks is necessary.* '''Day 1523:''' start administration of hypericum in a dosage of 300 mg three times a day (900 mg/day).
| caveat =
* Occurrence of the serotonin syndrome is possible without wash-out period.