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Hepatitis A

Daniel J. Stein, MD, MPH and Stephen K. Lane, MD, FAAFP Reviewed 06/2018
 


BASICS

DESCRIPTION

One of the world’s most common infections, the hepatitis A virus (HAV) primarily involves the liver. 

EPIDEMIOLOGY

Pediatric Considerations

  • Often, milder or asymptomatic in children; se...

DIAGNOSIS

HISTORY

  • Onset is often abrupt. Common symptoms include nausea, emesis and diarrhea, and headache.

  • Symptom severity increases with age.

  • Pediatric cases (<6 years) frequently asymptomatic

  • Other...

TREATMENT

GENERAL MEASURES

  • Maintain appropriate nutrition/hydration.

  • Avoid alcohol.

  • Universal precautions to prevent spread

  • Monitor coagulation defects, fluid, electrolytes, acid–base imbalance, hypoglyce...

ONGOING CARE

FOLLOW UP RECOMMENDATIONS

Return to work/school 10 to 14 days after onset of symptoms with diligence to hygiene (patients remain infectious for up to 4 weeks from symptom onset). 

Patient Monitoring

REFERENCES

1
Centers for Disease Control and Prevention. Hepatitis A questions and answers for health professionals. http://www.cdc.gov/hepatitis/hav/havfaq.htm. Accessed July 30, 2017.
2
Irving GJ, Hold...

SEE ALSO

  • Hepatitis B; Hepatitis C

  • Algorithms: Cirrhosis; Jaundice

CODES

ICD10

B15.9 Hepatitis A without hepatic coma 

ICD9

070.1 Viral hepatitis A without mention of hepatic coma 

SNOMED

  • 25102003 acute type A viral hepatitis (disorder)

  • 310875001 Hepatitis A - current infe...

CLINICAL PEARLS

  • HAV vaccine is indicated for all children, travelers (particularly to endemic areas), those at elevated risk of disease, and patients with liver impairment.

  • Check HAV IgG in all HIV-pos...

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