Medications

Warfarin

Toxic for Dogs

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For Dogs

Toxic

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For Cats

Toxic

View cat safety info →

Symptoms to Watch For

Bleeding, bruising, lethargy, blood in stool/urine, death

What You Need to Know

Warfarin is extremely dangerous for pets. Prevents blood clotting and can cause fatal internal bleeding. Same compound used in some rat poisons. Seek emergency care immediately.

Source: ASPCA Animal Poison Control

If your dog ingested this, act fast

Call ASPCA Poison Control: (888) 426-4435 or your emergency vet immediately.

View full emergency guide →

Safe Alternatives Your Dog CAN Have

Warfarin isn't safe, but these are vet-approved:

Antibiotic Ointment (Pet)

Safe

Medications

Heartworm Medication (Pet)

Prescription Flea Medication (Oral)

Frequently Asked Questions

Can dogs eat warfarin?

Warfarin is considered TOXIC for dogs. Warfarin is extremely dangerous for pets. Prevents blood clotting and can cause fatal internal bleeding. Same compound used in some rat poisons. Seek emergency care immediately.

What are the symptoms if my dog eats warfarin?

Symptoms may include: Bleeding, bruising, lethargy, blood in stool/urine, death.

What should I do if my dog eats warfarin?

Contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 immediately. Do not induce vomiting unless instructed by a professional.