Answer Xiomara I am not a doctor and only have limited detailed knowledge of many medical problems especially the more rare, but hopefully I can help answer some of your concerns. Firstly, I would expect that if your daughter has a toxic megacolon, she would most probably have been admitted to the hospital and given intensive treatment. According to a doctor colleague, toxic megacolon can have a high mortality if untreated, so I would suspect this is not the case for your daughter. Megacolon, sometimes known as spastic megacolon or Hirschsprung’s Disease is an inflammatory condition caused by insufficient or ineffective motility of the lower part of the digestive tract. As such, symptoms would be loss of apetite, constipation (and sometimes diarrhoea), abdominal swelling, pain and tenderness. These problems are also likely to cause fevers because of the discomfort they produce. The abnormal potassium level would be due to the dehydration which itself occurs because fluid normally absor