Hi there,This is Dr Basu, experienced Internal Medicine Specialist.I am here to address your concerns and provide great service.
Sorry to hear about all these complications.
Opiates are the mainstay for pain rleief in terminal illness.
Morphine can be used in liquid or tablet form every 6 hours or so safely.
Morphine drip is another option if patient is not in a state to tolerate oral intake.
Hydromorphone is another option even stronger than morphine.Best wishes,It was my pleasure to help you today.If I have answered all your questions, Please rate my response Excellent (click on the 5th star on top).Please bookmark my profile for fast, reliable authentic answers!This is the link to my profile:http://www.justanswer.com/medical/expert-mysticdoc/