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Related Concept Videos

Drug toxicity: Idiosyncratic Reactions01:16

Drug toxicity: Idiosyncratic Reactions

220
Idiosyncratic drug reactions represent abnormal chemical responses that vary significantly among individuals, ranging from extreme sensitivity to low doses to insensitivity to high doses. These reactions often occur due to the drug's covalent binding with serum proteins, forming a foreign hapten that triggers an immunotoxicological response. The variability in drug reactions has a strong pharmacogenetic foundation, with genetic differences crucial in how individuals metabolize drugs. For...
220
Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

209
Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial...
209

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Updated: May 5, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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Case Report: Disulfiram-induced optic neuropathy.

João Mendes1, Andrew Fischer2, Peter W Mortensen3

  • 1Department of Ophthalmology, Hospital do Espírito Santo de Évora, Évora, Portugal.

Frontiers in Neurology
|May 4, 2026
PubMed
Summary
This summary is machine-generated.

Disulfiram can cause toxic optic neuropathy (TON), leading to vision loss in patients with alcohol use disorder. Early detection and stopping the drug can significantly restore vision, though some structural changes may remain.

Area of Science:

  • Ophthalmology
  • Neurology
  • Pharmacology

Background:

  • Toxic optic neuropathy (TON) presents as bilateral vision loss, central scotomas, and impaired color vision.
  • While certain medications are known causes of TON, disulfiram-induced optic neuropathy is rarely reported.
Keywords:
alcohol use disorder (AUD)central scotomadisulfiramdrug-induced optic neuropathydyschromatopsiatoxic optic neuropathyvision loss

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