My Mom Has Liver Cirrosis And Been On Ocycodone Over4

my mom has liver cirrosis and been on ocycodone over4 years she goes through 140 pills in less then 2 weeks she also tells doctor she suffers from insomnia the doc prescribes her 30 zolpiderm a month she goes thru 30 in 4 days or so i see mom when she dont have the pills left her feet are not swelling alittle pain and she is fine but as soon as she gets her meds her feet start swelling hallucinating she is simply abusing the meds her old doc got a job elsewhere so she got a diferent doc about in less 2 months he was not going to prescribe her pain pills unless she goes to pain management she said no and found another doc granted her liver is not getting better she uses that factor to take the meds i asked her your taken to many pills and asked her why she says i bored she simly is abusing them why wont the doc try get her off the pills i tried controling her meds and we get into a arguments when i try to limit her meds she tells me there my pills not yours she should take 1 pill every 4 hours she takes 2 pills every hour how to get help