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Person-to- person spread does not occur. Neurotoxic shellfish poisoning is characterised by a combination of gastrointestinal effects (abdominal pain, nausea, and diarrhoea) and neurological effects (paraesthesia, “temperature reversal”, myalgia, vertigo, and ataxia), similar to ciguatera. Brevitoxin originates from the dinoflagellate Karenia brevis, which contains Protogonylaulax catanella. Saxitoxin is one of the more potent, and lethal toxins known. Neurologic or neurotoxic shellfish poisoning (NSP) is caused by polyether brevetoxins produced by the unarmoured dinoflagellate Gymnodinium breve (also called Ptychodiscus breve, since 2000 called Karenia brevis).The brevetoxins are toxic to fish, marine mammals, birds and humans, but not to shellfish. Predominately an illness of the Western Hemisphere (southeastern coast of the United States, the Gulf of Mexico, and the Caribbean), there are also reports of the disease from New Zealand. Other reported effects include rectal-burning pain, headache, bradycardia, and mydriasis. ↑James KJ et al. Neurotoxic Shellfish Poisoning: Public Health and Human Health Effects. Symptoms start with a tingling of the lips but can progress to total paralysis and even death…from one clam. 1998. Seafood Poisonings. Toxins can survive most cooking and freezing processes applied to food Neurotoxic shellfish poisoning: brevitoxin. 1991;81(4):471-4. Epidemiol Infect. 2010;138(7):927-40. Person-to- person spread does not occur. Shellfish poisoning (amnesic, neurotoxic, paralytic, and diarrhetic) is caused by eating contaminated shellfish. Neurotoxic Shellfish Poisoning (NSP) produces an intoxication syndrome nearly identical to that of ciguatera in which gastrointestinal and neurological symptoms predominate. Am J Public Health. and J. Easom. Clinical and epidemiological features of neurotoxic shellfish poisoning in North Carolina. In addition, formation of toxic aerosols by wave action can produce respiratory asthma-like symptoms. Paralytic shellfish poisoning (PSP) is one of the four recognized syndromes of shellfish poisoning, which share some common features and are primarily associated with bivalve mollusks (such as mussels, clams, oysters and scallops).These shellfish are filter feeders and accumulate neurotoxins, chiefly saxitoxin, produced by microscopic algae, such as dinoflagellates, diatoms, and cyanobacteria. Neurotoxic Shellfish Poisoning (NSP) is a disease caused by the consumption of molluscan shellfish contaminated with brevetoxins; these arten natural neurotoxins e a group of more than produced by the marine dinoflagellate, Karenia brevis (formerly known as Gymnodinium breve and Ptychodiscus brevis) [1]. most common syndromes are diarrhetic shellfish poisoning, ciguatera poisoning, neurotoxic shellfish poisoning, paralytic shellfish poisoning and amnesic shellfish poisoning; Transmission: consumption of seafood contaminated by toxin. Neurotoxic shellfish poisoning (NSP) is caused by eating shellfish contaminated with brevetoxins produced by the dinoflagellate K. brevis. Treatment of shellfish poisoning depends on the type of poisoning and may include oral charcoal or a stomach pump. Neurotoxic shellfish poisoning (NSP) Shellfish toxicity: human health implications of marine algal toxins. shellfish contaminated with brevetoxins; thes e ar e a group of more than ten natural neurotoxins . most common syndromes are diarrhetic shellfish poisoning, ciguatera poisoning, neurotoxic shellfish poisoning, paralytic shellfish poisoning and amnesic shellfish poisoning; Transmission: consumption of seafood contaminated by toxin. ↑ Morris PD et al. White Paper for the Proceedings of the Texas Conference on Neurotoxic Shellfish Poisoning, Proceedings of the Texas NSP Conference, Corpus Christi (Texas), April 27-34. Toxins can survive most cooking and freezing processes applied to food Fleming, L.E. Paralytic shellfish poisoning (PSP) I grew up with red tides in the Pacific Northwest and its accompanying PSP caused by saxitoxin. Neurotoxic Shellfish Poisoning (NSP) is a dis ease caused by the consumption of molluscan . 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