<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing swelling in my ankles, knees, elbows, legs, and wrists. What could be the reason for this?  <response>: Based on your symptoms, it seems that you are suffering from joint effusion. This is a condition where there is an excessive accumulation of fluid in the joints causing swelling and stiffness. 