No, the infection was seen on the CT scans. No testing was done to isolate the specific type. I assume that's why they are treating him with both flagyl and cipro (between the two, I think you pretty much cover the spectrum of infectious agents that could be in the digestive system.)

One of the interesting things I read was that flagyl used to be a standard treatment for Crohns disease. More recently they have moved toward cipro due to the neurotoxic effects of flagyl.

But if you have a serious infection that's eating up your intestines, you do what you have to do to stop it - even if there is some risk involved.