How to cope with pain

So I have OA in both hips and knees. I now have crutches to help with my everyday life. Only on co codamol for pain relief as well as votarol gel. Doesn't even hit the surface of pain. Was in left hip first now progressed to right which I find hard to walk. Have cleaning job but I have to say I am struggling with it. Only 4 hrs per day 5 days a week. But need money so can't quit it. But coping really hard with pain. Any help would be appreciated