What is Hepatitis
B? > Hepatitis D Co-Infection
Hepatitis D Co-Infection
Hepatitis D is a type of viral hepatitis caused by the
hepatitis D virus (HDV), which needs the hepatitis B virus to exist. Only people
who are already infected with hepatitis B can be infected with hepatitis D.
HDV Co-infection - occurs simultaneously when first infected
with the hepatitis B virus.
HDV Super-infection – occurs in persons with an existing
chronic hepatitis B infection.
HDV-HBV Co-infection
A co-infection may result in a more severe acute disease and a
higher risk (2%-20%) of developing acute liver failure compared with those
infected with HBV alone.
HDV-HBV Super-infection
Chronic HBV carriers who acquire HDV super-infections usually
develop chronic HDV infection as well. Progression to cirrhosis is believed to
be more common with HDV-HBV chronic infections.
Transmission - hepatitis D is spread the same way as
hepatitis B:
- Contact with infected blood
- Unprotected sex.
- Exposure to dirty needles (i.e. needlesticks, sharing drugs, tattoo
parlors, body piercings).
- From an infected woman to her newborn during birth.
Prevention – the only way to prevent a HDV infection is to
prevent a hepatitis B infection!
Get the hepatitis B vaccine and reduce your risk.
Treatment and Management – there is really no effective
treatment for HDV. For an acute HDV infection, only supportive care for symptoms
can be provided. For a chronic HDV infection, some doctors may try interferon-alpha,
but this may only slow disease progression. Ultimately, a liver transplant
may be required.
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