vitamin A excess

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vitamin A excess

pathology

Also known as: hypervitaminosis A

Learn about this topic in these articles:

nutritional disease

In nutritional disease: Vitamins
Chronic hypervitaminosis A, usually resulting from a sustained daily intake of 30,000 μg (100,000 IU) for months or years, may result in wide-ranging effects, including loss of bone density and liver damage. Vitamin A toxicity in young infants may be seen in a swelling of the…
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toxic response

In poison: Vitamins and iron pills
…or retinoic acid), known as hypervitaminosis A, can result in skin lesions, edema, and liver damage. Overconsumption by Alaskan natives of polar bear liver, a rich source of vitamin A, has produced acute toxicities, characterized by irresistible sleepiness and severe headaches. Chronic poisoning with vitamin A can cause neurological symptoms,…
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