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Living with Hepatitis D virus infection

A rare liver infection that only occurs in people who also have hepatitis B.

Understanding Hepatitis D virus infection

Hepatitis D virus infection (hepatitis delta) is a rare liver disease caused by infection with the hepatitis delta virus.

It causes acute hepatitis (liver inflammation) of varying degrees. It can occasionally be mild, but is most often severe liver disease that may progress quickly to cirrhosis (scarring of the liver). All people with it also have hepatitis B. GARD says the risk of liver cancer is also higher.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Liver inflammation (hepatitis)
  • Scarring of the liver (cirrhosis)
  • Belly pain
  • Tiredness
  • Loss of appetite
  • Easy bruising

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include digestive system specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Digestive system specialists (gastroenterologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Hepatitis B Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
How is my liver being monitored?
Should I be checked for liver cancer, and how often?
How can I protect my household from hepatitis B and D?

Quick facts

Symptoms usually startany time in life

It is caused by infection with the hepatitis delta virus. All people with it also have a hepatitis B virus infection.

InfectiousGastrointestinal

Also known as: delta hepatitis; hdv; hepatitis d; hepatitis d virus; hepatitis delta; hepatitis delta virus caused hepatitis

Patient organizations

Source: NIH GARD · Hepatitis D virus infectionGARD ID 21716 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Hepatitis D virus infection.

Explore the Hepatitis D virus infection blog

Explore research for Hepatitis D virus infection

Explore actively recruiting Hepatitis D virus infection studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Hepatitis D virus infection with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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I can help you find recruiting Hepatitis D virus infection studies. Enter a ZIP code, address or city below and I'll look within 50 miles.

Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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