Hi, my 4 year old son is always c/o being tired and having pains in his belly especially when he is bored. Hes a very poor eater. I had him to outpatients they told me it was viral 4 days ago, now he has green stools, and vomiting a yeast smell. I dont know what to do, he has no temp, no other anything plays with his friends etc. i can push in his belly its soft no pain , please help