Calcipotriol toxicity in a dog
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Updated: Oct 26, 2026

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Published on: October 24, 2016
T M Fan1, K W Simpson, S Trasti
1Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14583, USA.
Abstract:
A six-month-old Labrador retriever was presented for investigation of acute polyuria, polydipsia and haematemesis six hours following ingestion of a tube of the topical antipsoriatic vitamin D analogue, calcipotriol. Transient hypercalcaemia, azotaemia, proteinuria, thrombocytopenia and ventricular arrhythmias ensued. Abdominal ultrasonography and echocardiography revealed evidence of diffuse soft tissue mineralisation. Despite 13 days of intensive supportive care, the dog was euthanased due to continued haematemesis and anorexia. Necropsy confirmed mineralisation and necrosis of multiple organ systems consistent with vitamin D toxicity.
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