Font Size

E. coli: Escherichia coli 0157:H7, E. coli 0157:H7 (cont.)

What are the symptoms of E. coli 0157:H7 infection?

The usual initial symptoms include

  • nausea,
  • vomiting,
  • stomach cramps,
  • gas,
  • loss of appetite,
  • diarrhea,
  • bloody diarrhea,
  • mild fever (about 100 to 101 F or 37.7 to 38 C).

Severe infections can cause symptoms that are more serious such as

However, the majority of affected individuals (usually children under 5 years of age and the elderly) do not develop severe infections, but develop symptoms between 3 and 5 days after ingesting contaminated food or fluid. Some develop the usual symptoms between 1 to 10 days.

The majority of affected individuals resolve the infection without antibiotics in about 5 to 7 days after the onset of symptoms. However, some people (about 10%) develop complications with severe infections (see complications section listed below) and require hospitalization.

Medically Reviewed by a Doctor on 11/6/2015
Medical Editor:

Must Read Articles Related to E. coli: Escherichia coli 0157:H7, E. coli 0157:H7

Acute Kidney Failure
Acute Kidney Failure Kidney failure, or the ability of the kidneys to filter water and waste is caused by prerenal, postrenal, or renal problems with the kidney(s). Symptoms of kidn...learn more >>
Antibiotics Antibiotics are prescribed to individuals to ...learn more >>
Kidney Disease
Chronic Kidney Disease Twenty percent of people over the age of 20 years will develop chronic kidney disease in their lifetime. Chronic learn more >>

Patient Comments & Reviews

The eMedicineHealth doctors ask about E. coli (Escherichia coli 0157:H7) Infection:

E. Coli Infection- Treatment

What was the treatment for your e. coli infection?

E. coli Infection - Experience

Please share your experience with E. coli infection.

E. Coli Infection - Symptoms

What were your symptoms of E. coli infection?

Medical Dictionary