E. Coli 0157:H7 (cont.)
Charles Patrick Davis, MD, PhD
Charles Patrick Davis, MD, PhD
Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.
In this Article
Is E. coli 0157:H7 contagious?
E. coli 0857:H7 is infection is contagious and can be spread from person to person by fecal contamination.
What are the symptoms of E. coli 0157:H7 infections?
Initial symptoms of E. coli O157:H7 infection
The initial symptoms of E. coli O157:H7 infection usually appear about three to five (though occasionally in as few as one day or as many as 10 days) after a person ingests the bacteria; the symptoms include
The person may have a mild fever of about 100 to 101F (37.7 to 38.3 C). These symptoms can be seen in infected children and adults.
Later symptoms E. coli O157:H7 infections
The majority of people (especially normal adults) are infected resolve the infection without antibiotics in about five to seven days. However, some people (about 10% of people infected, especially children under the age of 5 and the elderly) develop more severe signs and symptoms, and these people usually require hospitalization and aggressive treatment. These patients develop the usual symptoms listed above, but do not resolve the infection. They develop symptoms that last longer (at least a week) and, if not treated promptly, the infection may lead to disability or death.
These symptoms or complications fall into three main categories;
For most people (about 90%), the E. coli infection clears and a good outcome or prognosis occurs. However, if any of the above mentioned complications happen, the prognosis may range from good to poor. The variable prognosis depends on the severity of the complication, the quickness of diagnosis and treatment, the response of the individual to adequate treatment and the overall health of the individual. Children and the elderly are at higher risk for adverse outcomes.
Medically Reviewed by a Doctor on 4/25/2014
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