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Selenium toxicity can occur if you consume too much selenium. Find out how this condition presents and what symptoms to look out for.
Plasma levels of selenium vary from 8 to 25 mcg/dL (0.1 to 0.3 micromoles/L), depending on selenium intake. At high doses (> 900 mcg/day), selenium causes toxicity. Symptoms of selenium. Toxic levels of plasma selenium are not well defined. Diagnosis of selenium toxicity is usually clinical.
Acute selenium toxicity has resulted from the ingestion of misformulated over-the-counter products containing very large amounts of selenium [8,55]. In 2008, for example, 201 people experienced severe adverse reactions from taking a liquid dietary supplement containing 200 times the labeled amount of selenium [ 116 ].
Plasma levels of selenium vary from 8 to 25 mcg/dL (0.1 to 0.3 micromoles/L), depending on selenium intake. At high doses (> 900 mcg/day), selenium causes toxicity. Symptoms of selenium. Toxic levels of plasma selenium are not well defined. Diagnosis of selenium toxicity is usually clinical.
Selenium is an element necessary for normal cellular function, but it can have toxic effects at high doses. We investigated an outbreak of acute selenium poisoning.
The acute toxicity associated with oral selenium ingestion and the blood and urinary levels of selenium in different cases of poisonings were reviewed. Mortality is a risk of acute selenium poisoning.
Over the long term, routinely getting unsafe levels could lead to selenium toxicity, a condition linked to breathing issues, kidney failure, and heart problems. At high enough levels, selenium...
Yet at high levels, selenium is toxic, and several cases of overt toxicity and mortality have been reported following acute intoxication. We describe the acute toxic effects of selenium, including exposure, blood, and urine levels associated with mortality.
Elemental selenium is quite nontoxic, since its oral LD 50 in rats is 6,700 mg/kg (Cummins and Kimura, 1971). Aside from garlicky breath odor, animals acutely poisoned with selenium exhibit vomiting, dyspnea, tetanic spasms, and death from respiratory failure (Franke and Moxon, 1936).
The diagnosis of selenium excess is based on symptoms. Blood or urinary selenium levels can be measured. Treatment of selenium excess involves reducing selenium consumption.