Ciguatera Food Poisoning - Toxins in the Food Chain

What do barracuda, black grouper, amberjack and5 days after eating the fish. Hot objects seem cold
blackfin snapper all have in common? They areand cold objects can give a shock-like sensation.
amongst the 400+ species of fish implicated in aThere have been serious injuries because a person
food borne illness that's relatively common in thewas unable to recognize extremely hot sensations.
Caribbean and parts of Florida. The food borne illnessOther odd symptoms are food may taste metallic
is called ciguatera food poisoning.and teeth may seem painful or loose.
This toxin is the result of the accumulation of marineThe gastrointestinal symptoms usually resolve in a
algae and the toxins they produce passing up thecouple days; however neurological symptoms may
food chain. These marine algae hang on to dead corallast for months or years. Symptoms may come back
and seaweed. They are then eaten by herbivore fishafter ingesting certain foods and drinks; alcohol,
which are subsequently eaten by predatory reef fishcaffeine, nuts and fish.
which concentrates the toxin in its tissue. People getThere are no laboratory tests to diagnose this
this food borne toxin from eating thesedisease and it's based on clinical symptoms and a
contaminated larger fish. The reef fishes are morehistory of eating an offending fish. Some studies
likely to get contaminated during storms and otherhave shown that IV mannitol is effective in providing
turbulence.relief and recovery if taken within the first 72 hours
After eating the affected fish (by the way the fishof intoxication. Other than that most treatment is for
does not get sick from the toxin and actually tastesthe various symptoms the person may have.
good) in as little as a couple of hours symptoms maySo how can you prevent getting this potentially
appear. Gastrointestinal symptoms like diarrhea,serious toxin? Prevention can be difficult since the
nausea and vomiting tend to appear early. Then atoxin in the fish cannot be killed by cooking and there
feeling of weakness and hypertension may occur inis no offensive odor or appearance to the fish. So
addition to complaints of intense itching.the only way to truly prevent this intoxication is to
Some mild to severe neurological symptoms areavoid eating large reef fish or getting your fish
common with ciguatera; dizziness, impairedthrough a reputable supplier.
coordination, blurred vision and even coma may beThis is just another in a long litany of food borne
seen in severe cases.diseases that are out there, not far from our own
An unusual characteristic that is common in ciguaterabackyard. Use the knowledge you acquire and
is temperature reversal. This may be seen from 2 tocommon sense and you can be... toxin free.