my dad is nearly 80 for the last 3 year's he has been taking 50mg of trazadone,,2 week's ago my dad felt he was having a relapse of his depression and doesn't want to do much, where has before Christmas he was never indoor's, alway's out visiting people doing activities and mixing with other people his age at club's, 2 week's ago I his daughter took dad to the doc's who upped his trazadone to 100mg per night, but these don't seem to have done much to help him,,do I take him back to the doctor's or do I wait a bit longer for them to work,,,help I need advice on this, dad is also taking 3 lorazapam per day he has taken them for 40 year's