"i have had many back surgeries for degenerated disc disease and was put on nucynta three days ago. my dose is 50 mg 3 times a day. it makes me feel high gives me a severe headache, diarrhea, agitation, insomnia, dizzy, confused and it only helps for an hour. i was taking methadone 5 mg two times a day three on bad days and that worked great but this doesn&#039;t."