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Pediatric Nephrotic Syndrome: Treatment Protocol

Glucocorticoid-based stepwise management of childhood nephrotic syndrome with attention to relapses and steroid resistance

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 Nephrotic Syndrome: Treatment Protocol?

Nephrotic syndrome is defined by heavy proteinuria (>40 mg/m²/hour or >50 mg/kg/day or urinary protein/creatinine >2), hypoalbuminemia (<2.5 g/dL), and edema.

Minimal change disease accounts for ~85-90% of pediatric nephrotic syndrome and typically responds to corticosteroids; steroid-resistance suggests focal segmental glomerulosclerosis or other glomerulopathy.

Initial episode usually resolves with steroids, but ~80% relapse; ~10-20% become steroid-dependent or frequently relapsing, requiring steroid-sparing agents.

Complications include thromboembolism, infections (especially pneumococcal peritonitis), hyperlipidemia, and growth impairment with long-term steroids.

Symptoms

Periorbital and lower extremity edema, often progressing to anasarca
Foamy urine, decreased urine output
Weight gain from fluid retention
Abdominal pain (peritonitis or ascites), pleural effusion, dyspnea
Pallor, fatigue, increased susceptibility to infection

Risk Factors

Age 2-8 years (peak incidence)
Male predominance in childhood
Asian and South Asian ethnicity (higher incidence)
Family history of nephrotic syndrome (rare)
Genetic mutations (NPHS1, NPHS2) for congenital/steroid-resistant forms

When to See a Doctor?

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

  • Apply for nephrology evaluation for any child with new-onset edema, especially periorbital
  • Re-evaluate any child with known nephrotic syndrome and new fever, abdominal pain, or breathing difficulty (peritonitis, infection)
  • Seek immediate review for sudden worsening edema, severe headache (thrombosis), or oliguria
  • Schedule home urine dipstick monitoring to detect relapse early

Treatment Methods

01
Initial therapy: prednisolone 60 mg/m²/day (max 60 mg) for 4-6 weeks, then 40 mg/m²/every other day for 2-5 months with taper
02
Frequent relapsing/steroid-dependent: add steroid-sparing agents — cyclophosphamide, mycophenolate mofetil, calcineurin inhibitors (cyclosporine, tacrolimus), or rituximab
03
Steroid-resistant: kidney biopsy, calcineurin inhibitors, ACE inhibitors/ARBs for proteinuria reduction, genetic testing
04
Supportive care: salt and fluid restriction during edema, albumin + furosemide for severe edema, pneumococcal vaccination, anticoagulation in high-risk thrombosis
05
Long-term follow-up: growth, blood pressure, bone health, ophthalmologic exams, immunization (avoid live vaccines on immunosuppression)

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.