Welcome to healthcare magic .
Your son seems to be suffering from Acute urticaria and angioedema
. It is characterized by itchy red or skin colored raised wheals which is transient, that means appears in one place and soon disappears from there to appear somewhere else. The most common cause of acute urticaria is food. Seafood, meat, poultry, egg, milk, apples, brinjal, strawberry, coloring agents etc are commonly implicated. It is subjective and any food can cause it. Other common causes are medicines, infections, insect bites
, infestations etc.
Long acting anti histamines
like cetrizine or fexofenadine
is the ideal treatment for urticaria. Your Pediatrician
will help in treatment.
Hope this helped