Excess Vitamin D
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Excess Vitamin D
Nutrition
Carbohydrates, fat and protein
Nutritional disorders
Excess Vitamin A
Excess Vitamin D
Vitamin D deficiency
Vitamin K deficiency
Kwashiorkor
Marasmus
Iodine deficiency
Zinc deficiency
Beriberi
Folate (Vitamin B9) deficiency
Niacin (Vitamin B3) deficiency
Vitamin B12 deficiency
Vitamin C deficiency
Wernicke-Korsakoff syndrome
Fat-soluble vitamin deficiency and toxicity: Pathology review
Water-soluble vitamin deficiency and toxicity: B1-B7: Pathology review
Water-soluble vitamin deficiency and toxicity: B9, B12 and vitamin C: Pathology review
Zinc deficiency and protein-energy malnutrition: Pathology review
Key Takeaways
Excess vitamin D or hypervitaminosis D refers to the toxic effects of overconsumption of vitamin D. It can cause too much calcium to be absorbed from the intestines, leading to a buildup of calcium in the blood (hypercalcemia). This can damage the heart, kidneys, and other organs. Symptoms of excess vitamin D include nausea, vomiting, weakness, and stupor.