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Pediatric Autoimmune Hepatitis

Chronic immune-mediated liver inflammation in children requiring lifelong immunosuppression

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Çocuk Sağlığı ve Hastalıkları department. Book Appointment →

What is Pediatric Autoimmune Hepatitis?

Autoimmune hepatitis (AIH) is a chronic, progressive, immune-mediated liver disease with female predominance and frequent overlap with other autoimmune conditions.

Type 1 AIH (positive ANA and/or smooth muscle antibody) is the more common form; Type 2 AIH (positive anti-LKM-1 or anti-LC-1) is rarer, more aggressive, and predominantly pediatric.

Histology shows interface hepatitis with lymphoplasmacytic infiltrate; up to 30% present with cirrhosis at diagnosis.

Up to 50% of pediatric AIH cases coexist with sclerosing cholangitis (autoimmune sclerosing cholangitis), requiring MRCP for screening.

Symptoms

Fatigue, malaise, anorexia, weight loss
Jaundice (chronic or acute hepatitis-like)
Hepatomegaly, splenomegaly
Stigmata of chronic liver disease (spider angiomata, ascites in advanced disease)
Acute liver failure presentation in 10-20% (especially Type 2)

Risk Factors

Female sex
HLA susceptibility (DR3, DR4, DR7, DR13)
Personal or family history of other autoimmune diseases (thyroid, type 1 diabetes, vitiligo)
Drug exposure (rare triggers: minocycline, nitrofurantoin)
Viral infections (rare triggers: hepatitis A, EBV)

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Apply for hepatology evaluation for any child with unexplained transaminase elevation lasting >6 months
  • Re-evaluate any child with new jaundice, fatigue, or weight loss
  • Seek immediate review for any signs of decompensation (ascites, encephalopathy, GI bleeding)
  • Schedule liver follow-up if there is family history of autoimmune disease and abnormal liver chemistries

Treatment Methods

01
Induction with prednisolone (1-2 mg/kg/day, max 60 mg) ± azathioprine; biochemical remission targeted within 6-12 months
02
Maintenance with low-dose prednisolone + azathioprine; second-line agents include mycophenolate mofetil, tacrolimus, or cyclosporine for refractory disease
03
Treatment is typically lifelong; withdrawal trials only after ≥2-3 years of normal liver chemistries and histology
04
MRCP at diagnosis to evaluate for sclerosing cholangitis overlap; screen for varices, monitor growth and bone health on steroids
05
Liver transplantation for end-stage disease, fulminant presentation, or refractory cases; AIH may recur post-transplant

Which Department to Visit?

You can visit our Çocuk Sağlığı ve Hastalıkları department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Çocuk Sağlığı ve Hastalıkları Department

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.