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What is kernicterus and how is it prevented?

Answer verified by LinQMD Care Team Last updated 25 Aug 2026
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Kernicterus is permanent brain injury caused by severely elevated bilirubin crossing into the brain. It is entirely preventable: measure bilirubin against age-specific thresholds, start phototherapy when the threshold is crossed, and act before levels reach dangerous heights.

Written by Dr. Rajendra Pathak, MBBS, MD (Pediatrics), Senior Consultant Paediatrician and Founder-Director, Vatsalya Children's Hospital, Mahavir Road, Orderly Bazar, Varanasi, Uttar Pradesh 221002. 40+ years, 10,000+ patients. Phone: +91 9838585111.

Dr. Rajendra Pathak

About the Author

Dr. Rajendra Pathak

Senior Consultant Pediatrician & Founder–Director – Vatsalya Children’s Hospital, Varanasi

40+ Years of Experience 10,000+ Patients Treated 4.8 ★

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