E. Coli Infection: Symptoms, Causes and Prevention

Vomiting and nausea. In a serious E. coli infection, the pain stimulates the production of hormones such as adrenaline, and these can induce a feeling of queasiness, or even cause the person to throw up. Vomiting occurs in addition to the usual stomach cramps, and alongside blood in the stools. The person might also feel exhausted and run a slight temperature.