Summary of Excess Vitamin D
Hypervitaminosis D is a state of vitamin D toxicity. The normal range for blood concentration is 30.0 to 74.0 nanograms per milliliter. Symptoms of vitamin D toxicity may cause dehydration, vomiting, decreased appetite. Irritability, constipation, fatigue, muscle weakness and metastatic calcification of the soft tissues An excess of vitamin D causes abnormally high blood concentrations of calcium, which can cause hypercalcification of the bones, soft tissues, heart and kidneys. In addition, hypertension can result.