question: Hello,I have been experiencing pain in both knees for the past 3 years. It is a shooting pain, whicChatDoctores and goes. When I walk down steps both knees tremble considerably. I also have stiffness at the bottom of my back, which is especially bad in cold or wet weather, and sometimes a throbbing pain in the left side of my lower back.I have been diagnosed as having mild osteoarthritis in my left hip. The X-Ray showed slight wear at the hip joint, but nothing too severe.For pain relief I take on average 800 mg Ibuprofen per day.Your input would be appreciated.