<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have an open wound on my neck and Ive noticed that my heart rate has been really high. Additionally, my skin is swelling and the skin on my leg or foot looks infected. What could be causing these symptoms?  <response>: Based on your symptoms, it sounds like you may have cellulitis, which is a bacterial skin infection. Its important that we start treatment right away to prevent the infection from spreading further. 