Without examination,confirmation of a diagnosis is tough but it can be due to hives Hives (medically known as urticaria) are red,itchy,raised areas of skin
that appear in varying shapes and
sizes. They have a tendency to change size rapidly and to move around, disappearing in one place and reappearing in other places, often in a matter of hours.
Many cases of hives are "idiopathic," meaning no cause is known. Others may be triggered by viral infections or medications.