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Lithium toxicity, also known as lithium overdose, is the condition of having too much lithium. Symptoms may include a tremor, increased reflexes, trouble walking, kidney problems, and an altered level of consciousness. Some symptoms may last for a year after levels return to normal. Complications may include serotonin syndrome. [1]
Due to lithium's narrow therapeutic index, lithium levels must be monitored regularly for prevention of lithium toxicity. There is also evidence that the anticonvulsants valproate, lamotrigine, carbamazepine, and topiramate are effective in the reduction of symptoms of hypomanic and depressive episodes of bipolar disorder.
The cobalt atoms are formally in the +3 oxidation state, hence the IUPAC name lithium cobalt(III) oxide. Lithium cobalt oxide is a dark blue or bluish-gray crystalline solid, [ 4 ] and is commonly used in the positive electrodes of lithium-ion batteries .
Lithium Lithium is the "classic" mood stabilizer, the first to be approved by the US FDA, and still popular in treatment. Therapeutic drug monitoring is required to ensure lithium levels remain in the therapeutic range: 0.6 to 0.8 or 0.8–1.2 mEq/L (or millimolar). Signs and symptoms of toxicity include nausea, vomiting, diarrhea, and ataxia. [3]
Excessive levels of lithium can be harmful to the kidneys, and increase the risk of side effects in general. As a result, kidney function and blood levels of lithium are monitored in patients being treated with lithium. [2] Therapeutic plasma levels of lithium range from 0.5 to 1.5 mEq/L, with levels of 0.8 or higher being desirable in acute ...
During chronic toxicity, the gastrointestinal symptoms seen in acute toxicity are less prominent. The symptoms are often vague and nonspecific. [106] If the lithium toxicity is mild or moderate, lithium dosage is reduced or stopped entirely. If the toxicity is severe, lithium may need to be removed from the body.
Symptoms may include elevated body temperature, blurred vision, dilated pupils, sleepiness, confusion, seizures, rapid heart rate, and cardiac arrest. [1] If symptoms have not occurred within six hours of exposure they are unlikely to occur. [2] TCA overdose may occur by accident or purposefully in an attempt to cause death. [2]
Lithium toxicity arises from overdose of lithium-containing drugs. [26] Mercury poisoning came into sharp focus with the discovery of Minamata disease, named for the Japanese city of Minamata. In 1956, a factory in that city released of methylmercury in the industrial wastewater resulting in thousands of deaths and many other health problems. [27]
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