Pharmacology In unconjugated hyperbilirubinemia the risk of kernicterus increases with the use of : A Ceftriaxone B Phenobarbitone C Ampicillin D Sulfonamide 💡 Explanation In unconjugated hyperbilirubinemia the risk of kernicterus increases with the use of : ✓ Correct Answer: D. Sulfonamide