Eating too much peanut butter upset stomach?

Canada
@mtoxales (374)
April 9, 2007 9:45am CST
My kid loves peanut butter. Last night, he ate bread with peanut butter and when he woke up, he is not feeling well. He has not eaten anything yet. He vomited twice already and he is giddy. Could the peanut butter have upset his stomach?