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Which are the causes of Ciguatera?

See some of the causes of Ciguatera according to people who have experience in Ciguatera

Ciguatera causes

Ciguatera is a type of food poisoning caused by the consumption of certain reef fish that have accumulated toxins produced by marine microalgae. The main cause of Ciguatera is the presence of ciguatoxins in the fish, which are produced by dinoflagellates, a type of microscopic algae. These toxins are odorless and tasteless, making it difficult to detect their presence in the fish.

Ciguatera is most commonly found in tropical and subtropical regions, particularly in the Caribbean, Pacific Islands, and Indian Ocean. The toxins are typically found in larger predatory fish that feed on smaller fish that have ingested the dinoflagellates. Some of the fish species commonly associated with Ciguatera include barracuda, grouper, snapper, and amberjack.

The exact mechanisms by which ciguatoxins accumulate in fish are not fully understood, but it is believed that the toxins are transferred through the food chain. The dinoflagellates produce the toxins, which are then consumed by small fish. As larger predatory fish feed on these smaller fish, the toxins accumulate in their tissues, particularly in the liver, intestines, and roe.

Symptoms of Ciguatera usually appear within a few hours of consuming contaminated fish. The most common symptoms include nausea, vomiting, diarrhea, abdominal pain, and muscle weakness. Other symptoms may include headache, dizziness, tingling or numbness in the extremities, and a metallic or bitter taste in the mouth. In severe cases, Ciguatera can cause neurological symptoms such as hallucinations, difficulty breathing, and even paralysis.

Treatment for Ciguatera is mainly supportive, as there is no specific antidote for the toxins. It is important to seek medical attention if symptoms occur after consuming fish from potentially contaminated areas. The primary goal of treatment is to alleviate symptoms and manage complications. This may involve intravenous fluids to prevent dehydration, antiemetic medications to control nausea and vomiting, and pain relievers for abdominal pain and muscle aches.

Prevention is key in avoiding Ciguatera. It is recommended to avoid consuming large predatory fish, especially from areas known to have ciguatoxin contamination. If consuming fish from potentially risky areas, it is advisable to remove the skin, liver, and other organs where the toxins tend to accumulate. Additionally, cooking the fish thoroughly does not eliminate the toxins, as they are heat-stable.

In conclusion, Ciguatera is caused by the consumption of fish contaminated with ciguatoxins, which are produced by dinoflagellates. The toxins accumulate in the tissues of larger predatory fish through the food chain. Awareness, avoidance of high-risk fish, and proper preparation can help prevent Ciguatera and its associated symptoms.
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My story is a long 12 month journey that began in January 2016 and possibly before. In 1/2016 I ate Wahoo at a friend's house in Encinitas CA. The fish was from Baja, and was frozen in Mexico when it was caught. We ate it just a couple of months aft...

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