What are some of the symptoms of addiction to pain medication?

You Change...... Addiction is a psych diagnosis. It sounds like physical dependence to a drug, but it goes a big step further. Example: you go to a friend's (relative, neighbor, total stranger, you don't care) house and use the bathroom. You look through their medicine cabinet and take a bit of whatever you want. Physical dependence is when you go through withdrawls when you suddenly stop a medicine. Big diff.