Hi well come to Hcm.
from your description it seems you are having urticarial rash. It is allegic condition
may be due to some food or some infection in your body germs are giving allergy to
Your body. Broadly drugs like cetrizine
used and in case of need even steroids are used for allergy. And in non responding cases, a course of worms, metronidazole
etc are used depending on respoce of