Evaluation of ciguatera begins with a medical history and physical examination.
The physical exam in those with ciguatera is usually normal.
Physical findings in those with ciguatera poisoning may include:
- Temperature sense reversal: hot feels cold and cold feels hot (a hallmark symptom)
- Low blood pressure
- Slow heart rate would support this diagnosis.
- Signs of dehydration
The history of gastroenteritis and neurological symptoms after eating a reef fish is usually enough to make the diagnosis of ciguatera poisoning. There are no diagnostic tests for ciguatera.
Tests that may be used to evaluate ciguatera may include:
Continue to Ciguatera Treatment
- Farstad DJ, Chow T. A brief case report and review of ciguatera poisoning. Wilderness Environ Med. 2001 Winter;12(4):263-9. 
- Isbister GK, Kiernan MC. Neurotoxic marine poisoning. Lancet Neurol. 2005 Apr;4(4):219-28. 
- Lewis RJ. The changing face of ciguatera. Toxicon. 2001 Jan;39(1):97-106.