I have ostio necrosis in my right hip. Any tips for pain?

Pain Medications. See your physician for pain medication and determine the cause of the osteonecrosis.
Osteonecrosis. Hip avn has several causes, related to dead bone and lack of appropriate blood supply from injury, steroids, genetics, trauma, among others. See your orthopedic surgeon for treatment surgically. Short of that consider weight control, nsaids, various pain pills.