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Related to hypervitaminosis D: hypervitaminosis E, hypervitaminosis K
vitamin D intoxicationA condition that occurs in those who either self-prescribe megadoses of vitamin D or consume excess dairy products.
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.
hypervitaminosis DVitamin D toxicity, see there.
n the toxic effects of ingesting large amounts of vitamin D. Manifestations include symptoms resulting from hypercalcemia, impairment of renal function, and metastatic calcification.
a condition produced by ingestion or injection of excessive amounts of vitamins; symptom complexes are associated with excessive intake of vitamins A and D.
occurs mainly in cats, and is caused by a long-term diet consisting almost entirely of liver. Affected cats show neck pain and stiffness caused by a deforming cervical spondylosis. Other joints may be similarly affected. There is also hyperesthesia, irritability, anorexia, weight loss, and sometimes neurological deficits. Premature loss of teeth has also been reported.
caused by overdosing with vitamin D preparations as in milk fever prophylaxis and inappropriate treatment of disorders of dietary calcium and phosphorus, by errors in a diet mix, and oversupplementation of small puppies and kittens. Causes dystrophic soft tissue calcification, particularly nephrocalcinosis with subsequent renal failure. See also enzootic calcinosis.