Vitamin D Supplements — toxicity in dogs and cats
EmergencyApplies to: dogs and cats.
Overview
Vitamin D overdose causes dangerous calcium and phosphorus elevations in pets, which can severely damage the kidneys and other organs. Toxicity can come from high-dose supplements, psoriasis creams, and certain rodenticides. Signs may start with vomiting but can progress to profound lethargy and kidney failure. Prompt treatment improves outcomes before permanent injury develops.
Symptoms
Vomiting, increased thirst, weakness, kidney failure
Typical onset
6-24 hours
What to do
Emergency care immediately.
This page is educational and does not replace veterinary advice. If your pet may have been exposed, call UVEC at (801) 218-2227 or ASPCA Poison Control at (888) 426-4435.

