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Deliberate sulphonylurea poisoning mimicking hyperinsulinaemia of infancy
  1. Louise Owen,
  2. Matthew Ellis,
  3. Julian Shield
  1. Bristol Children's Hospital, Bristol, UK
  1. Dr M Ellis, Institute of Child Health, St Michael's Hill, Bristol BS2 8BJ, UK email: M.Ellis{at}


A 6 month old child presenting with seizures was found to be hypoglycaemic secondary to hyperinsulinism. A family history of type II diabetes prompted estimation of sulphonylurea in the baby's blood, which was found to be high. A multidisciplinary case conference concluded that the sulphonylurea ingestion was likely to be the result of Munchausen syndrome by proxy. When investigating hypoglycaemia of infancy this possibility should be considered.

  • Munchausen syndrome by proxy
  • diabetes
  • sulphonylurea

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