Hey there, You are absolutley not alone in what you are dealing with I have a 3 1/2 year old little boy who vomits when he is not hungry and sees food if he sees dirty dishes or smells somthing gross or even when he sees food on the t.v. He will not come near any of his friends if they are not spotless and vomits justt from looking at them. But like your son he has no problem eating right after he vomits Like your sons dr. my son dr. also said he is just sensitive to sights and smells and has an overactive gag reflex. Unfortunatley though u want a solution to your child excessive vomiting. I just think about the side effects of bulemia and wonder if simmilar things are happening with my sons esophogus. It also can have a damaging effect on his teeth !!!View Thread