hi ken,
i too am on cymbalta i take 160 mg a day and i am also on 2000mg of valproate and 400mg of seroquel i often wonder the same thing but my gp has told me that the seroquel and cymbalta are both non addictive which is good, i often find myself feeling tired all the time and quite frequently nap as well i get the vertigo feeling too and my whole body feels shakey at the same time i dont know why they do this to us! ???? sorry i couldnt help maybe someone can help the both of us!