You must have sometimes noticed a sudden swelling of the skin, red in color, with a little heat. This may indicate that you have cellulitis. What is it and how can it be treated? Cellulitis is defined as a common bacterial skin infection, accompanied by the appearance of swelling and redness in the skin with a rise in the temperature of that area. Contact with doctors The lower body is often more likely to develop such infections as the leg area, but it can affect the face, arms, and other areas. Symptoms of Cellular Inflammation We often ask about some possible signs of cellulitis, which can be summarized as follows: Redness in the area ...