Thanks for writing your query.
) can result in gastric upset due to destruction of normal flora of useful bacteria present in the intestine. These useful bacteria help in the process of digestion and absorptiion of food.
You can give him probiotic
preparation for relief after discussing with his Paeditrician.
Antispasmodics can be given if the pain is severe.
Curd or Yoghurt will also be helpful, if it suits him.
Also take care of his diet. He should be given home made food prepared under hygeinic conditions
If the problem persisits, get him examined clinically.
I hope this is helpful to you.