<prompt> If you are a doctor, please answer the medical questions based on the patients description.My grandson has been diagnosed with Ecoli, how serious is this? He has been having severe cramps after eating for about 5 weeks and has been in and out of Childrens Hospital during that time, they just kept sending him home saying he was impacted.  <response>: Hello, My answer is as follows:Escherichia coli E. Coli is a bacterium that colonizes human intestine. They can cause diarrhea or intestine related diseases but also urinary, pulmonary and other infections more rarely. Among the 6 types of E.cold, one is of particular importance: Enterohemorrhagic E. coli. In child Chat Doctor. Coli subtype might produce hemorrhagic colitis, hemolytic-uremic syn 