If you have any reason to suspect your pet has ingested something toxic, please contact your veterinarian or one of the other resources listed:
ASPCA Animal Poison Control Center 24-hour hotline at (888) 426-4435
• Pet Poison Helpline® 24-hour animal poison control service at (855) 764-7661

Vitamin D

Vitamin D, found in multivitamins and many flavored chewable vitamins such as Viactiv, can cause toxicity when accidental ingested by pets. Vitamin D is also found in some rodenticides (as cholecalciferol) and carries a higher toxicity risk than OTC products. The most concerning outcome with ingestion is acute renal failure.


Signs and symptoms of toxicity: Clinical signs of toxicity usually appear within the first 48 hours post-ingestion. These signs and symptoms include vomiting, fatigue, muscle weakness, bloody diarrhea, depression, increased urination and increased thirst.

Toxic consumption: There is no established threshold for toxicity. All incidents of exposure should be reported immediately.

Morrow, C. (2001). Cholecalciferol Poisoning. Veterinary Medicine (December): 905-11.

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