question: Hi Dr. my 6 year old grand son has been in & out of hospital for the last 3 weeks with vomiting. He has had blood tests that are showing abnormal results. he has had an ultra sound & abdominal xrays. they did find an inflamed area in his intestine. He was initially diagnosed with giardia & treated for it. However several days later he started vomiting again & also complaining of pain in his abdomen. Grumbling appendix has been mentioned. The most worrying of all is that this morning his vomit smelt like faeces. Sound like an obstruction to me . Can you help.