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This is the active ingredient in topical treatments for psoriasis and is a source of Vitamin D.  Ingestion of this ointment will cause mineralization of the soft tissues of the digestive tract, causing necrosis.  Renal failure is also a distinct risk.  This should be treated as a severe poisoning and you should consult a Vet immediately.  Symptoms can include:

  • Vomiting
  • Diarrhea
  • Excessive Thirst
  • Excessive Urination
  • Lack of Appetite
  • Lethargy
  • Weakness
  • Seizures
  • Renal Failure
  • Death