very, very depressed...

well... I thought I knew what depression felt like for the last 30 years....guess I was wrong....last 3 weeks I have felt really low, with no break for even a minute...I just feel really depressed and I dont know why.....have been on 200mg pristiq for 4 weeks and feel like im not even on an anti depressant at the moment....was getting really tired from being so depressed, so had to cut seroquel back to 25mg in the morning and 300mg at night.....Strange thing is my thoughts seem to be stable, not wanting to die, so thats something.....just thoughts of hopelessness, dont want to do anything or go any where...just want to sit and do nothing....just want this feeling to go away....saw my p-doc yesterday and he is puzzled as to why my thoughts have improved but my mood has gone way down...his answer,,put pristiq up again....so am now on 250mg for next 2 weeks to see how i go...if no positive result then up the dose to 300mg...if still no result then add another type of drug to what Im already taking to help it work better....i really dont care...I just want to stop feeling so horrible... which is kind of a strange attitude for me,cause usually I would have strong thoughts of wanting to die...but I just dont...but what if it just goes on for way to long....surely I cant keep going like this...guess I shouldnt be looking at the what if's.....just take each day as it comes!!!!!!!!!