Development of vitamin d toxicity from overcorrection of vitamin D deficiency: A review of case reports

Kornelia Galior, Stefan Grebe, Ravinder Singh

Research output: Contribution to journalReview article

22 Scopus citations

Abstract

Over the past two decades, vitamin D level measurements have become some of the most frequently ordered tests in the laboratory. This increase is due to a growing awareness of widespread vitamin D deficiency and scientific data suggesting the beneficial effects of vitamin D in various diseases. A literature search was carried out in PubMed for cases reporting vitamin D intoxication and overdose. Thirteen articles were included in this review. Intoxication was severe in the reported cases. Patients presented with serum vitamin D concentrations ranging between 150 and 1220 ng/mL and serum calcium concentrations between 11.1 and 23.1 mg/dL. Most of the reported patients showed symptoms of vitamin D toxicity such as vomiting, dehydration, pain, and loss of appetite. The underlying causes included manufacturing errors, overdosing by patients or prescribers, and combinations of these factors. Our literature search highlights the fact that even though vitamin D intoxication is rare, it does occur and therefore patients and prescribers should be more cognizant of the potential dangers of vitamin D overdose.

Original languageEnglish (US)
Article number953
JournalNutrients
Volume10
Issue number8
DOIs
StatePublished - Aug 2018

Keywords

  • Hypercalcemia
  • Vitamin D overdose
  • Vitamin D toxicity

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics

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