In my view of a moral world, people would own the consequences of eating something (whether its flexoril, alcohol, opium or marijuana). There would be nobody to sue, because everyone would recognize that there is nobody else to blame.
Jimmy, I think I must respectfully disagree with you in your specific case.
You went to the doctor originally, sought his advice, and followed his advice. In giving you that advice, he did assume some responsibility for the outcome of that advice. To make a ridiculous example -- suppose he had prescribed for you something that helped your back pain, but destroyed your liver at the same time. Would you not hold him responsible for the damages?
That doctor is protecting not only his own interests, but your interests as well. I can understand a doctor's being reluctant to assume that a patient's condition is unchaged after a decade, and why he would be even more reluctant to assume that the paitent was able to objectively assess his condition better than he could -- unless, perhaps, that patient had years of medical school training and decades of experience in the field of medicine. I suspect that is not the case in your situation.
You are asking that doctor to put his livelihood on the line and provide you with potentially dangerous drugs, for which he is liable should there be any negative outcome. I don't feel that his wishing to see you and discuss the issue with you is a particularly onerous requirement.
tanstaafl.
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"There Ain't No Such Thing As A Free Lunch"