I don't believe you don't care at all right now. You wouldn't be posting here at all if that was the case.
Mike I understand you want to blame the pills, but saying that the pills have pre-destined you to a binge is like saying the beers you've drunk have done the same thing.
It may very well seem like that to you now but it's not true.
Anyway you slice it, the old 'I've started so I'll finish' excuse is bogus.
Ring your Dr, call your brother, dump the booze.