National Institute of Allergy and Infectious Diseases
Link to NIAID Home Page Link to NIAID Home Page Link to NIH Home Page
NIAID Home Health & Science Research Funding Research News & Events Labs at NIAID About NIAID

Hepatitis
 Hepatitis A
  Cause
  Transmission
  Symptoms
  Diagnosis
  Treatment
  Prevention
  Research
 Hepatitis C
 Hepatitis E
 Research


Hepatitis A

Symptoms

Symptoms of hepatitis A include

  • Jaundice
  • Fatigue
  • Abdominal pain
  • Nausea
  • Diarrhea
  • Fever
  • Loss of appetite

Some people have mild symptoms lasting 1 to 2 weeks, while others have more severe symptoms that can last several months. Generally, the severity of the illness increases with age; children infected with hepatitis A virus usually do not have symptoms.


Volunteer for Clinical Studies
Volunteer for NIAID-funded clinical studies related to hepatitis on ClinicalTrials.gov.

See Also

Hepatitis News Releases

Related Links

View a list of links for more information about hepatitis.

E-mail Icon E-mail this page
Print Icon Print this page

Volunteer for Clinical Studies
Volunteer for NIAID-funded clinical studies related to hepatitis on ClinicalTrials.gov.

See Also

Hepatitis News Releases

Related Links

View a list of links for more information about hepatitis.