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Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, an alkaloid harmful to livestock.Worldwide, swainsonine is produced by a small number of species, most of them in three genera of the flowering plant family Fabaceae: Oxytropis and Astragalus in North America, [1] and Swainsona in Australia.
Locoweed poisoning is "the most widespread poisonous plant problem in the western United States." [ 3 ] Locoweeds cause locoism , a disease state resulting from chronic neurological damage. Symptoms of locoism include depression , blindness , loss of coordination, emaciation , tremors, paralysis , constipation , deterioration of the coat ...
The Oxytropis lambertii plant is one of the locoweeds most frequently implicated in livestock poisoning. [8] The toxin is called swainsonine.Research suggests that the plant itself may not be toxic, but becomes toxic when inhabited by endophytic fungi of the genus Embellisia, which produce swainsonine.
Oxytropis is a genus of plants in the legume family.It includes over 600 species native to subarctic to temperate regions of North America and Eurasia. [1] It is one of three genera of plants known as locoweeds, and are notorious for being toxic to grazing animals.
Suspected mushroom poisoning in Australia has made headlines around the world
The onset of symptoms generally occurs around 30 to 60 minutes after ingesting the herb. These symptoms generally last from 24 to 48 hours, but have been reported in some cases to last as long as two weeks. [32] As with other cases of anticholinergic poisoning, intravenous physostigmine can be administered in severe cases as an antidote. [38]
The symptoms suffered by Patterson’s guests are consistent with poisoning by death cap mushrooms, Thomas said, though toxicology reports are yet to show exactly what they consumed. ...
Common symptoms are often flulike and include headache, dizziness, upset stomach, chest pain or confusion, but highly concentrated levels of CO can cause a person to pass out without feeling symptoms.