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Bilateral optic neuropathy due to combined ethambutol and isoniazid treatment



Bilateral optic neuropathy due to combined ethambutol and isoniazid treatment



Annals of Ophthalmology 11(7): 1013-1017



The case of a 40-year-old patient who underwent an unsuccessful cadaver kidney transplantation and was treated with ethambutol and isoniazid is reported. A bilateral retrobulbar neuropathy with an unusual central bitemporal hemianopic scotoma was found. Ethambutol was stopped and only small improvement of the visual acuity followed. Isoniazid was discontinued later, followed by a dramatic improvement in the visual acuity. The hazards of optic nerve toxicity due to ethambutol are known. We emphasize the potential danger in the use of ethambutol and isoniazid.

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Accession: 004823772

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PMID: 384871


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