What is E. coli?
E. coli is short for Escherichia coli -- bacteria (germs) that cause severe cramps and diarrhea. E. coli is a leading cause of bloody diarrhea. The symptoms are worse in children and older people, and especially in people who have another illness. E. coli infection is more common during the summer months and in northern states.
Written by familydoctor.org editorial staff