<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been having a lot of pain lately in my legs, back, and hips. Can you tell me what might be causing it?  <response>: Based on your symptoms, it is possible that you may have osteoarthritis. This is a degenerative joint disease that can cause pain and stiffness in the joints, particularly in the legs, back, and hips. 