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Co-Infection

Hepatitis D (HDV)

A Severe Co-Infection That Accelerates Liver Damage

Hepatitis D is a viral infection that occurs only in individuals already infected with Hepatitis B. It can significantly accelerate liver damage, leading to rapid progression to cirrhosis and liver failure.

Affects Liver
Cause HDV (requires HBV)
Progression Faster than HBV alone
Diagnosed with Hepatitis B and Worsening Liver Function?

Get evaluated for Hepatitis D co-infection

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HDV Requires HBV Co-Infection
Hepatitis B (HBV)
Primary infection
+ Hepatitis D (HDV)
Co-infection / Superinfection
Rapid Liver Damage
Accelerated cirrhosis
Important: HDV Occurs Only with HBV

HBV vaccination prevents HDV. Early HBV treatment reduces risk of HDV superinfection.

Understanding

What is Hepatitis D?

Hepatitis D Virus (HDV) is a defective virus that can only infect individuals who already have Hepatitis B.

It occurs in two forms:

  • Co-infection: HBV and HDV acquired together
  • Superinfection: HDV infects someone already with chronic HBV

HDV causes:

  • Severe liver inflammation
  • Rapid progression to cirrhosis
  • Increased risk of liver failure
Warning Signs

Early Signs & Symptoms

Rapid symptom progression → Early evaluation required

Fatigue
Severe tiredness
Jaundice
Yellowing of eyes/skin
Abdominal discomfort
Upper right quadrant pain
Loss of appetite
Not wanting to eat
Rapid symptom progression → Early evaluation required
Transmission

How HDV Spreads & Risk Factors

How HDV Spreads
  • Blood contact
  • Needle sharing
  • Unsterile procedures
  • (Same transmission routes as HBV)
Risk Factors
  • Existing Hepatitis B infection
  • High-risk exposure to blood
  • Lack of HBV vaccination
Progression

Disease Progression

Co-infection Acute illness
Superinfection Severe chronic disease
Cirrhosis Advanced scarring
End Stage Liver Failure

Co-infection

HBV + HDV acquired together

May resolve

May Resolve

Superinfection

HDV in chronic HBV patient

Severe chronic disease

Rapid liver damage

Urgent Care Needed

Cirrhosis

Advanced liver scarring

Transplant Evaluation

End Stage Liver Disease

Liver failure

Transplant required

Transplant Needed
Testing

Diagnosis & Tests

Anti-HDV antibody
HDV RNA (viral load)
HBV markers (HBsAg, HBV DNA)
Liver function tests (LFT)
Fibroscan / Ultrasound

Check Your Liver Status

Understand your HBV + HDV risk

Management

Treatment Options (Before Transplant)

1. Antiviral Therapy
  • Limited effectiveness
2. Manage HBV Infection
  • HBV suppression is critical
3. Monitoring
  • Liver function
  • Disease progression
4. Manage Complications
  • Cirrhosis care

When is Liver Transplant Needed?

Decompensated cirrhosis develops

Liver function declines rapidly

Liver failure occurs

Hepatitis D Requires Early Detection

Timely diagnosis can prevent rapid progression

Important: Prevention via HBV Control

HDV occurs only with HBV • HBV vaccination prevents HDV • Early HBV treatment reduces risk

Medical Management vs Transplant
Medical Management

Stage: Early/Moderate • Goal: Slow progression • Outcome: Limited

Liver Transplant

Stage: Advanced • Goal: Replace liver • Outcome: Life-saving

Options

Liver Transplant Options

Living Donor Liver Transplant

Preferred in India

Better outcomes
Cadaver Donor Transplant

Based on waiting list

Alternative option

Get My Treatment Plan

Planning

Cost & Planning

Costs depend on:

Disease severity
Hospital & city
HBV + HDV status

Download Guide

Liver Transplant Cost & Planning Guide

Free & confidential

Get Expert Help

Find Liver Specialists (Hepatologists)
Find Specialist
Explore Verified Liver Transplant Hospitals

Patient Resources

Hepatitis B + D awareness guide
Vaccination information
Liver-friendly diet plan
Pre-transplant workup
Donor evaluation process
Legal and documentation checklist
These involve structured clinical and legal protocols as per transplant guidelines.

Frequently Asked Questions

No, it requires Hepatitis B infection.

Yes, it progresses faster.

Transplant treats liver failure; viral management continues.

Hepatitis D is a high-risk co-infection.

Early detection and HBV control are critical. Stay informed. Act early.

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