"saw pain doc went over all my test, mri results and did an exam. should have known he was a nucynta er pusher by all the posters in the office. started me off at 150 mg x2 a day , and in the beginning it seem to work alone with dilaudid fir bt pain. saw the doc 2 days before surgery and 3 months on nucynta er i told him it wasn&#039;t really working for me he said well let&#039;s up your dose to 200 mg 2x a day. i had surgery no issues. until i started back on the nucynta er. i had  hallucinations, loss of memory and violent rage. i don&#039;t remember the last two days i was taking the medication. i ended up in the er 3 days after spine surgery cause i went into a fit of rage. pain doc was called he said it was the nucynta and to stop taking it. bad drug"