Hi my son is 13 and vomitited a few times two days ago along with stomach pain and nausia threw out that day at school. He felt real warm wouldnt let me take his temp. he slept just about all night but felt sick again and stayed home from school next day on and off stomach pain some vomiting and then fine . two days later he vomitit again and again middle stomach pain on and off went bm and was fine he is ok now but should i worry about his appendex? my older daughter was mis diagnosed years ago with same simptoms till her pain was excurciation only to be rushed to er who previously told her and i it was the flu