Swollen stomach and intestine, nausea, vomiting, stomach pain, loss of appetite, fatigue, food sensitivity.
Most limiting is the vomiting. It makes going anywhere or doing anything unbearable. Eating is something you try to do just to stay alive, but you don't want to do it. Eating can actually cause panic reactions from the trauma of repeated vomiting and the inevitability that you will eventually do it again.