 This 10-and-4/12-year-old Caucasian female has autism and is enrolled at ABC School, and she takes Adderall and clonidine for her hyperactivity.  She developed constipation one week prior to admission and mother gave her MiraLax and her constipation improved.  She developed vomiting 3 days prior to admission, but did not have diarrhea.  She voided on the day of admission.  When she presented to the office, her weight was 124 pounds, which was approximately 10 pounds below previous weights and even had a weight of 151.5 pounds, 05/30/2007 and weight of 137.5 pounds, 09/11/2007 with mother giving no good explanation as to why she had lost all this weight.  She was admitted because of the persistent vomiting, but there was concern about the weight loss.