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Wilderness: Ciguatera Toxin (cont.)

Ciguatera Fish Poisoning (Toxin) Symptoms

Eating ciguatera toxin contaminated fish result in the following symptoms:

  • Symptoms generally begin 6 to 8 hours after eating the contaminated fish but can occur as early as 2 or as late as 24 hours after ingestion.
  • Symptoms include nausea, vomiting, diarrhea, muscle pain, numbness, tingling, abdominal pain, dizziness, and vertigo. The classic finding of hot and cold sensation reversal is actually a burning sensation on contact with cold (allodynia).
  • Teeth may feel loose and itching may be intense.
  • Severe cases of ciguatera poisoning may result in shortness of breath, salivation, tearing, chills, rashes, itching, and paralysis. Bradycardia, coma and hypotension can occur. Death due to poisoning is rare (less then 0.5 %).
Medically Reviewed by a Doctor on 3/21/2013

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