Delayed Recovery of Quadriplegia after a Krait Bite

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Authors: Shambhu Khanal, Savita Aryal, Kalpana Neupane, Prakash Bhattarai, Buddha Rayamajhi, Nandu Prasad Pathak
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Abstract

Snakebite envenomation is an endemic problem in tropical countries like Nepal. Deaths from envenomation are preventable through robust management systems and widespread public awareness. This case report describes a case of a 16-year-old boy from the Terai region of Nepal who presented with acute bilateral ptosis, head lag, and inability to elicit protrusion of his tongue after a krait bite. The patient was managed with antivenom, mechanical ventilation, and supportive care. Early neurological recovery after krait-bite envenomation is generally expected in victims who receive timely antivenom along with intensive supportive care. As usual, recovery of ptosis, tongue protrusion, and head lag occurred within a week; however, residual weakness in all limbs persisted for months. Gradual onset and offset of neurological symptoms are often characteristic of krait bites. Delayed neurological recovery after krait-bite envenomation is uncommon as illustrated in this case.

Fields of Study & Subjects

Venomous Animal Envenomation and Studies Amphibian and Reptile Biology Botulinum Toxin and Related Neurological Disorders

Publication details

Journal / source
American Journal of Tropical Medicine and Hygiene
Volume
114
Issue
3
Pages
593–595
Publication date
20 January 2026
Language
EN