 [ Symptoms ] 3 days ago my 15 year old son had vomited 3 violent episodes he seemed to recover but he began again yesterday both times were sudden he said he started to feel naseous and immediately had to vomit he would then vomit until he was completely empty sip water until he felt normal and then eat crackers then have another bout of violent vomiting [ Disease ] u need to lose weight do rbs cortisol level and the routine labs