Hi, I had gone through your question and understand your concerns. He is suffering from recurrent diarrhea. Give him a full course of Zinc for 14 days apart from treatment prescribed , if diarrhea persists he need to be investigated to know cause of diarrhea.Most common cause is viral but other cause like bacterial diarrhea, and other parasitic infection needs to be rule out. Hope this answers your question. If you have additional questions then please do not hesitate in writing to us. Wishing your baby good health. • DISCLAIMER: - All the information provided here is for information purpose only , it is not a substitute for the advice of a physician after physical examination , it is not intended to replace your relationship with your doctor. This information in no way establishes a doctor-patient relationship. Before acting anything based on this information do consult your doctor. I recommend that online users seek the advice of a physician who can perform an in-person physical examination