Is Vitamin D (supplements & rodenticide) Poisonous to Pets?

🔴 Highly toxic — call a vet now · Dogs & cats

Too much vitamin D, from supplements or certain rat poisons, raises calcium to dangerous levels and damages the kidneys.

Warning signs to watch for

  • Increased thirst and urination
  • Vomiting and loss of appetite
  • Weakness
  • Kidney failure over days

What to do right now

Call a poison hotline right away. Damage builds over a few days, so early treatment matters.

ASPCA Poison Control: (888) 426-4435 · Pet Poison Helpline: (855) 764-7661

Frequently asked questions

Is vitamin d (supplements & rodenticide) poisonous to dogs and cats?

Too much vitamin D, from supplements or certain rat poisons, raises calcium to dangerous levels and damages the kidneys.

What are the symptoms of vitamin d (supplements & rodenticide) poisoning?

Watch for increased thirst and urination, vomiting and loss of appetite, weakness, kidney failure over days. Signs can come on quickly or be delayed depending on how much your pet was exposed to.

What should I do if my pet was exposed to vitamin d (supplements & rodenticide)?

Call a poison hotline right away. Damage builds over a few days, so early treatment matters.

Sources: Pet Poison Helpline. This is general guidance, not a diagnosis. In any suspected poisoning, contact your vet or a poison hotline right away.

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