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Related Experiment Videos

Encephalopathy associated with bismuth subgallate therapy

R P Friedland1, A J Lerner, P Hedera

  • 1Department of Neurology, University Hospitals of Cleveland, Case Western Reserve University, Ohio 44106.

Clinical Neuropharmacology
|April 1, 1993
PubMed
Summary

Bismuth subgallate therapy for colostomy deodorization caused a patient to experience paranoid ideation and sensory loss. Discontinuation of the bismuth treatment led to symptom resolution, highlighting potential neurotoxicity.

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Area of Science:

  • Neuroscience
  • Toxicology
  • Gastroenterology

Background:

  • Bismuth subgallate is used as a colostomy deodorant.
  • Bismuth toxicity can manifest with neurological symptoms.

Observation:

  • A 74-year-old man on bismuth subgallate therapy developed paranoia, memory loss, and impaired taste and smell.
  • Elevated urine and blood bismuth levels confirmed toxicity.

Findings:

  • The patient's neurological and sensory deficits resolved after discontinuing bismuth subgallate.
  • Altered gustatory and olfactory function are newly reported symptoms of bismuth intoxication.

Implications:

  • This case highlights the potential neurotoxic effects of bismuth subgallate, even at therapeutic doses.

Related Experiment Videos

  • Clinicians should monitor for neurological and sensory side effects during bismuth therapy.
  • Further research is needed to understand the mechanism of bismuth-induced neurotoxicity and sensory dysfunction.