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Are you experiencing poor appetite, nausea, vomiting or muscular weakness?
Vitamin D toxicity, also called hypervitaminosis D, is a rare but potentially serious condition. The main consequence is a buildup of calcium in your bloodstream (hypercalcemia), which can affect appetite and kidney function. Although vitamin D toxicity is pretty uncommon, even among people who take supplements every day, you may be at greater risk if you have health problems, such as liver or kidney conditions, or if you take thiazide-type diuretics which can impair calcium excretion. It would best if you could have your vitamin D levels checked. Your doctor may want to give you intravenous fluids and/or medications, such as corticosteroids or bisphosphonates, if your levels are off the charts and he feels your symptoms are related.