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A Rare Incidence of Ethambutol Induced Toxic Optic Neuropathy

  • M. V. Mousigan
  • L. Nissi
  • V. Sreenivasan

International Journal of Medical and Pharmaceutical Case Reports, Page 1-5
DOI: 10.9734/ijmpcr/2023/v16i1322
Published: 2 January 2023

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Abstract


Ethambutol induces toxic optic neuropathy (EON), which most typically presents as bilateral symmetrical loss of vision and, due to a lack of early detection and adequate treatment, often causes serious irreversible visual impairment. EON is time and dose dependent. In this case report, we will discuss a 59-year-old female patient who came in with complaints of visual impairment, inclusive of a colour vision defect (dyschromatopsia) and blurred vision (scotoma). Her past medication history includes use of first-line anti-tubercular therapy (ATT) with four drugs: Rifampicin, Isoniazid, Ethambutol, and Pyrazinamide. Pyrazinamide was taken for two months, and other medications (Rifampicin, Isoniazid, and Ethambutol) were taken for a period of seven months. From this case report, we will get a clear picture necessitating continuous monitoring for ocular toxicity.


Keywords:
  • Ethambutol-induced Optic Neuropathy (EON)
  • Anti-Tubercular Therapy (ATT)
  • reversible
  • Duration and dose dependent
  • Full Article - PDF
  • Review History

How to Cite

Mousigan, M. V., Nissi, L., & Sreenivasan, V. (2023). A Rare Incidence of Ethambutol Induced Toxic Optic Neuropathy. International Journal of Medical and Pharmaceutical Case Reports, 16(1), 1-5. https://doi.org/10.9734/ijmpcr/2023/v16i1322
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