I have an elderly aunt (almost 80) who desperately needs a hip replacement. She’s in a lot of pain now and none of the painkillers she’s been given seem to be working anymore (naproxen/diazepam, etc). Anyone have any ideas as to how we can help her? I’m looking at buying a tens machine but not sure if that’s really helpful for this type of pain. She’s hardly slept the last few nights. Thanks in advance!