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Hallmark symptoms of ciguatera in humans include gastrointestinal, cardiovascular, and neurological effects. [5] [6] Gastrointestinal symptoms include nausea, vomiting, and diarrhea, usually followed by neurological symptoms such as headaches, muscle aches, paresthesia, numbness of extremities, mouth and lips, reversal of hot and cold sensation, [7] [8] ataxia, vertigo, and hallucinations.
Mercury poisoning is a type of metal poisoning due to exposure to mercury. [3] Symptoms depend upon the type, dose, method, and duration of exposure. [3] [4] They may include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing. [1]
Symptoms typically appear within ten to 30 minutes after ingestion, and may include nausea, vomiting, diarrhea, abdominal pain, and tingling or burning lips, gums, tongue, face, neck, arms, legs, and toes. [1] Shortness of breath, dry mouth, a choking feeling, confused or slurred speech, and loss of coordination are also possible. PSP toxins ...
This element is known to bioaccumulate in humans, so bioaccumulation in seafood carries over into human populations, where it can result in mercury poisoning. Mercury is dangerous to both natural ecosystems and humans because it is a metal known to be highly toxic, especially due to its neurotoxic ability to damage the central nervous system ...
Diagnosis of NSP is made based on clinical presentation as well as history findings including recent consumption of shellfish. On average, symptoms begin 3-4 hours after consumption, but can begin anywhere from several minutes to 18 hours afterward. [4] Symptoms typically include neurologic and gastrointestinal issues including: [4] [6] nausea ...
Ichthyotoxic poisoning in humans can cause symptoms ranging in severity dependent on how much toxin was consumed. The symptoms of an ichthyotoxin poisoning from fish venoms can include headache, vomiting, diarrhea, dizziness, and drop in blood pressure. [2]
Zangroniz said studies only use a few species of fish and don't represent the more than 30,000 fish species that exist. She added pain is measured in mammals on the grimace scale, often seen in ...
Venomous fish do not necessarily cause poisoning if they are eaten, as the digestive system often destroys the venom. [1] There are at least 1200 species of venomous fish, [2] [3] with catfishes alone possibly contributing 250–625 species to that total. [4] The former number accounts for two-thirds of the venomous vertebrate population. [5]