Vitamin D toxicity of dietary origin in cats fed a natural complementary kitten food

Victoria Crossley, Catherine Bovens, Carmen Pineda, Angie Hibbert, Natalie Finch

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Case series summary: This case series describes two young sibling cats and an additional unrelated cat, from two separate households, that developed hypercalcaemia associated with hypervitaminosis D. Excessive vitamin D concentrations were identified in a natural complementary tinned kitten food that was fed to all three cats as part of their diet. In one of the cases, there was clinical evidence of soft tissue mineralisation. The hypercalcaemia and soft tissue mineralisation resolved following withdrawal of the affected food and medical management of the hypercalcaemia.
Relevance and novel information: This case series demonstrates the importance of obtaining a thorough dietary history in patients presenting with hypercalcaemia and the measurement of vitamin D metabolites when investigating such cases. Complementary foods may have the potential to induce nutritional toxicity even when fed with complete, nutritionally balanced diets.
Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalJournal of Feline Medicine and Surgery Open Reports
Publication statusPublished - 12 Dec 2017


  • hypercal
  • vitamin D toxicity

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