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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

A micrograph of the cell coat or glycocalyx of an animal cell. A micrograph of the cell coat or glycocalyx of an animal cell.
Early divisions in the animal phylogeny. Early divisions in the animal phylogeny.
Representative nervous systems throughout the animal kingdom. Representative nervous systems throughout the animal kingdom.
Nitrogenous wastes produced by different animal groups. Nitrogenous wastes produced by different animal groups.
Animal carcasses like this South African wildebeest provide important nutrition for both hunters and Animal carcasses like this South African wildebeest provide important nutrition for both hunters and
Chromosome Number in Selected Animal Species Chromosome Number in Selected Animal Species
Video: Four Giant Convection Cells oF Earth

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