Phenobarbitone Sensitivity of Jaundice in Haemolytic Patients

Summary. Eleven cases of chronic haemolytic jaundice treated with phenobarbitone are reported. In all patients, except one, the drug caused a significant reduction of hyperbilirubinaemia in spite of the persistence of an increased haemolysis. Radioactive bilirubin (3H) kinetic studies demonstrated a bilirubin transfer defect from plasma to liver in seven patients which improved after phenobarbitone therapy along with the reduction of bilirubinaemia. It is concluded that a phenobarbitone‐sensitive hepatic mechanism frequently operates in producing jaundice in chronic haemolytic syndromes.

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