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Updated: Jul 11, 2026

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Isolation and Quantification of Botulinum Neurotoxin From Complex Matrices Using the BoTest Matrix Assays
Published on: March 3, 2014
[Simultaneous botulism in two brothers addicted to cocaine]
F Aguirre-Balsalobre1, M González-Herrera, E Mengual-Verdú
1Hospital Universitario San Juan de Alicante, Alicante, Spain. faguir88@hotmail.com
Archivos De La Sociedad Espanola De Oftalmologia
|September 12, 2007
Summary
Botulism, a rare paralytic illness, can be caused by botulinum toxin. Early recognition of symptoms like vision changes and muscle weakness is crucial for diagnosis and treatment.
Area of Science:
- Neurology
- Toxicology
Background:
- Botulism is an uncommon neuromuscular disease caused by botulinum toxin.
- The toxin induces progressive muscular paralysis, potentially leading to fatal respiratory failure.
Observation:
- Two brothers with cocaine addiction presented with decreased visual acuity and bilateral mydriasis.
- Symptoms progressed to include ptosis, extraocular muscle dysfunction, and vomiting.
Findings:
- The clinical presentation included paralysis of accommodation and bilateral mydriasis.
- Mydriasis showed a positive response to pilocarpine, a key diagnostic indicator.
Implications:
- Botulism should be considered in cases of paralysis of accommodation with mydriasis.
- Prompt diagnosis is essential for managing this potentially life-threatening condition.
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