Well, there is a lot of misconception out there about opioid addiction, even among doctors – you probably now know more than that doctor about it now, unless he or she is a specialist in this area.
But one could take the hyperalgesia and cravings of opioid withdrawal and call them “phantom pain” for short – though that might get confused with the “phantom pain” which is associated with amputation of limbs (and that “phantom” pain is quite real, despite originating in the brain instead of from an injury). There is a popular concept called “analgesic rebound pain,” which occurs when people get used to taking a pain reliever constantly and then stop taking it, but I think of this as hyperalgesia, the amplification of minor existing pain, rather than true phantom pain created by the sudden cessation of a pain reliever regimen.
Absolutely. In fact, three separate studies (I don’t have the references in front of me, but I can find them if anybody is interested – I believe at least one of the studies was conducted by the National Institutes of Health, possibly two of them) found this to be true.
They found that the rate of “problem usage” of opioids for people who were given opioids for the first time to treat legitimate pain was about 3 patients out of 10,000. All three studies had similar numbers – I believe one was 1 problem user out of 6,000 patients, and another was 5 problem users out of 25,000 patients. In any case, those numbers show that it’s very rare for people with genuine pain to become addicted to pain medication.
In many cases, people who had been on relatively high doses (say, 100mg of morphine per day) of opioids for pain control have been able to cease taking opioids immediately upon surgical correction of the pain-causing problem, without even needing to gradually taper off the medication.[sup]1[/sup]
This isn’t always the case, of course – usually people on long-term opioid regimens will develop tolerance and physical dependence just like an addict. But tolerance and physical dependence are not the same thing as addiction – addiction is when the user feels that the drug is necessary to live a normal life, and when the user will go to extreme lengths to get ahold of the drug (hence the term I used above, “problem usage patterns.”)
Even when pain patients are physically dependent on opioids, though, they can almost always stop using them (once they no longer need them, of course) without all the trouble that a real addict has – they look at the drugs as an inconvenience and are all too glad to be rid of them, while addicts feel that the drugs are good and necessary, and often they feel unable to cope with life without the help of drugs.
In any case, I’m … oh, crap, it’s 8:30 in the morning, and coincidentally, I’m late for an appointment – I have a couple of interviews to do at a local methadone clinic. I’ll hurry and post this before I leave. I’ll be glad to talk more when I get back, if anybody cares. 
[sup]1[/sup]Kind of like what happened to Woody Harrelson’s character in the movie The People vs. Larry Flynt – I don’t know how true-to-life it was, but in the movie, he had been taking opioids for chronic pain from his gunshot injury, and after most of the pain was corrected surgically, he was able to stop taking the drugs immediately. Not so for his wife, played by Courtney Love, who had started taking his drugs recreationally and who was a full-fledged addict.