just to make the point further-i stopped by M.D.O.D.(http://docsontheweb.blogspot.com/) after i posted and found this:
i think it sums up my point nicely. just think this guy will be sedated, admitted to a floor, and when he wakes up and continues to behave like an asshole, either because he is withrawing, or he wants another fix, or another drink (or pain meds and ativan since it's availabe to him)...he's all mine! another lovely shift!