Neopercodan is a product marketed in mexico and often sold to Americans as percodan's. They are actually more similar to a darvocet (propoxyphene and tylenol), but I think the neoperc's have asprin instead of tylenol just like real percodans. I'm not sure about the dosages of these, but they are considerably weaker than percodans (oxydodone is a much more effective painkiller than propoxyphene).
is there a difference between percodan and 
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