<s>[INST] Hello, My son (4 years old) has been throwing up once or twice a day for 7 days. He had one day (Sunday) that he did not. Our family doctor has assumed it is probably a virus. He shows no other symptoms and doesn t lose appetite or show dangers of dehydration. [/INST] Hi Dear, Welcome to Chat Doctor. Understanding your concern. As per your query your son have symptoms of persistent vomiting which seems to be due to food poisoning which caused electrolyte imbalance in body leading to acute gastritis. Sometimes it is due to underlie systemic pathology. I would suggest you not to panic at all. You should start treatment witChatDoctorbination of fluoroquinolones and ornidazole. Avoid hot, sharp and spicy food. Visit gastroenterologist once and get it examined and start treatment after complete examination.  Chat Doctor.  </s>