vitamin D intoxication

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vitamin D intoxication

A condition that occurs in those who either self-prescribe megadoses of vitamin D or consume excess dairy products.

Clinical findings
Anorexia, headaches, muscle weakness, nausea, thirst, organ damage (heart, liver, kidney due to calcium deposition); infants given excess vitamin D may develop atheromas, mental retardation, facial dysmorphia, kidney damage, infections, suffer failure to thrive, or die.

vitamin D intoxication

Hypervitaminosis D, vitamin D toxicity Metabolism A condition that follows megadoses of vitamin D, or excess dairy product consumption Clinical Anorexia, headaches, muscle weakness, nausea, thirst, organ damage–heart, liver, kidney due to calcium deposition; infants given excess vitamin D may develop ASHD, mental retardation, facial dysmorphia, kidney damage, infections, FTT, death. See Vitamin D.
References in periodicals archive ?
The study said that while vitamin D toxicity is rare, uninformed patients could be at risk for overdose because supplements and most medications containing it can be easily purchased over the counter.
There are several reports regarding vitamin D toxicity after long-term consumption of vitamin D inappropriately.
In the study by Qamar et al, 27% of the patients with hypercalcaemia were identified to be due to vitamin D toxicity where multiple injections of high dose preparations were given to these patients and in many it was Vitamin D3 600,000IU injection given weekly for 6-8 weeks.13 Life style measures including dietary interventions, education and awareness of pharmacist, physicians, nutritionists, patients and general public is the way forward.
Vitamin D toxicity can occur from excessive supplementation, thus increasing the risk of kidney stones, and kidney, heart and blood vessel damage.
Although uncommon, vitamin D toxicity can occur and causes nonspecific symptoms (polyuria, heart arrhythmias, nausea, vomiting, anorexia, weight loss).
If the levels do continue to rise, vitamin D toxicity could develop after many years of supplementation with doses that are known to be safe in the short term.
What is vitamin D toxicity, and should I worry about it since I take supplements?
Second, the potential for vitamin D toxicity exists with increased supplemental doses, even though this risk is relatively uncommon.
Advocates argue that the risk of vitamin D toxicity, and potential harm, with supplemental doses of less than 2,000 IU daily, or sometimes more, is very low.
"While treating and preventing vitamin D deficiency, these large doses of vitamin D2 do not lead to vitamin D toxicity," he added.
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