* '''Day 8-13:''' a wash-out period of about one week is necessary.

* '''Day 14:''' start administration of venlafaxine in a dosage 37,5 mg or 75 mg (slow release)

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* Occurrence of the serotonin syndrome is theoretically possible, so care is needed.

* The content of trazodone in the tablet, for example 100 mg or 150 mg, determines which exact doses are given. }}