Détail du document
Identifiant
doi:10.1186/s13256-023-03868-3...
Auteur
Bazvand, Fatemeh Riazi-Esfahani, Hamid Salari, FarhadLangue
enEditeur
BioMed Central
Catégorie
Medicine & Public Health
Année
2023
Date de référencement
29/03/2023
Mots clés
niclosamide drug toxicity bull’s-eye maculopathy retinopathy maculopathy retinal veterinaryRésumé
Background To report the first case of bull’s eye maculopathy associated with veterinary niclosamide.
Case presentation A 27-year-old Iranian female presented with a history of reduced vision and photopsia since 3 years, after accidental ingestion of four boluses of veterinary niclosamide.
Fundus examination showed atrophy in parafoveal retinal pigmentary epithelium, appearing as bilateral bull’s-eye maculopathy.
Optical coherence tomography revealed disruption of the parafoveal ellipsoid zone and outer retinal thinning, appearing as a flying saucer sign.
Electroretinography displayed decreased scotopic and photopic amplitudes with normal waveform in both eyes.
The causality score was 4, showing “possible” retinopathy due to niclosamide according to Naranjo’s causality assessment algorithm.
Based on clinical and ancillary findings, a diagnosis of niclosamide-induced maculopathy was made.
Conclusion Veterinary niclosamide is an anthelmintic drug that in higher doses could be detrimental to the human retina.
Awareness about its side effects and appropriate drug labeling could prevent accidental toxicity.
Bazvand, Fatemeh,Riazi-Esfahani, Hamid,Salari, Farhad, 2023, Presumed veterinary niclosamide-induced retinal toxicity in a human: a case report, BioMed Central
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