| start =
* '''Day 1:''' simultaneously start administration of bupropion in a dosage of 150 mg/day and continue administration of doxepin according to the scheme above.
* '''Day 8:''' stop administration of doxepin and continue administration of bupropion only in a dosage of 300 mg/day.
| info =
* Bupropion is a strong inhibitor of CYP2D6, which metabolizes doxepin. }}