Cellulitis is an infection of the deeper layers of the skin and the underlying tissue.
Our Health A-Z contains more information on Cellulitis.
Urticaria (also known as hives, welts or nettle rash) is a raised, itchy rash that appears on the skin.
Our Health A-Z contains more information on Hives.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.