<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I am experiencing foot or toe stiffness, swelling and difficulty with movement. Also, I have been losing sensation in my foot and the skin on my leg and foot looks infected. What could be happening to me?  <response>: Based on your symptoms, it seems like you are suffering from diabetic peripheral neuropathy, a nerve damage caused by diabetes. 