. >> it's nice for pridoviders to know why drugs are going up and what ones. >> the chief resident ofnternal medicine at regents hospital in saint paul, minnesota, and a co-author of a new england journal of medicine article that brought the issue to light. >> you get outraged. i think as the health care system as a society we need systems in place that help to combat what is happening. >> what's the one thing that has to change for this problem to be solved? >> we have to tell the drug companies they can't get away with murder, and can't raise their prices to any level they want. >> reporter: last week senator sanders introduced a bill aimed at curbing jen generic price drug prices. >> you can't force folks to be in a situation where they can't purchase the medicine they need. that's what we should be doing. >> reporter: tricia started a new job with a technology company. she's waiting to hear if her new insurance will cover her much-needed pain medication. >> i don't know what else to do. i'm praying, praying that my new insurance will cover it. >> reporter: for "nightline," i'm glo