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Rationale:
- Viral hepatitis cannot be differentiated on the basis of clinical or epidemiologic features alone.
- Some risk factors for hepatitis A, including injection drug use and male gender with male sexual partners, are also risk factors
for other types of viral hepatitis.
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Evidence:
- Injection drug users are at substantial risk for hepatitis B and hepatitis C virus infections (93).
- Hepatitis B surveillance data indicate that men who have sex with men remain at increased risk for hepatitis B virus infection
(94).
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Comments:
- No data exist regarding the relative frequency of causes of acute hepatitis. However, the incidence of hepatitis B is decreasing
in the U.S. (2), and the incidence of hepatitis A has decreased in communities with routine childhood hepatitis A immunization (10). Thus, the relative frequencies of hepatitis A and B as causes of acute hepatitis are likely to decrease.
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Brian J. McMahon, MD, MACP has no financial relationships with pharmaceutical companies, biomedical device manufacturers, or health-care related organizations.
Catherine M. Dentinger, FNP, MS has no financial relationships with pharmaceutical companies, biomedical device manufacturers, or health-care related organizations.
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The information included herein should never be used as a substitute
for clinical judgment and does not represent an official position of
ACP. Because all PIER modules are updated regularly, printed web pages
or PDFs may rapidly become obsolete. Therefore, PIER users should
compare the date of the last update on the website with any printout
to ensure that the information being referred to is the most current
available.
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PIER is copyrighted (c) 2008 by the American College of Physicians,
190 N. Independence Mall West, Philadelphia, PA 19106-1572, USA.
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Hepatitis A
> Diagnosis
