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diarrhea. Other symptoms include itching; numbness of lips, tongue, and throat; blurred vision; low blood pressure; slowed heart rate; alternating hot and cold sensations; and coma. In severe cases, shock, muscular paralysis, and death can occur.
Ciguatera poisoning can be caused by eating normally safe, bottom-feeding, coral-reef fish that have collected a poison from the food chain. It is common in areas of disturbed reef, including waterfront construction. Over 400 normally safe fish species may contain toxin, with the red snapper, barracuda, and grouper most often involved. Florida and Hawaii have the greatest incidence of ciguatera poisoning. These fish appear normal, including smell and taste. There are no good "rules of thumb" for detecting poisonous fish.
Do not use ciguatera if:
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.