Hello sir my 3.5 year baby chewed small amount of napthalen balls that same day or later 3/4 days he was normal but now after 5or 6 days he started vomitings plz suggest me

A. hi dear Also known as the tummy bug or “stomach flu,” gastroenteritis is a common cause of vomiting in babies and children. Your baby may have cycles of vomiting that come and go for about 24 hours. Other symptoms in babies may last for 4 days or longer: watery, runny poop or mild diarrhea.