Hives is known to be a symptom of an allergic reaction that appears as a raised and scratchy area on the skin. It could appear with a flat or a round top and is always on the rise from the level of the surrounding skin.Hives can form as a single bump or in groups and they repeatedly turn whitish when touched or applied pressure. It can literally arise on any part of the body; however, the face is one of the body parts that usually experience its emergence. According to research, around 27% of people have suffered from hives on face at some point in their lives. Causes of Hives on Face Finding the exact cause of hives on face or any other part of body is not an easy task. There could be several reasons behind the formation of hives on face. To start with, illnesses are the primary cause for facial hives. This is mainly the case with children as these illnesses are mostly caused by viruses and children are more prone to them. A viral illness which results in the facial hives is generally followed by a rise in body temperature. A hives rash can also appear anywhere on the body and can be as small as a pencil eraser or as large as a dinner plate. When you get facial hives, the immune system of the body comes into play and works to cure it. You can proceed with the treatment once the symptoms are detected.