Medications

Warfarin

Toxic for Cats

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For Dogs

Toxic

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For Cats

Toxic

View dog 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 cat ingested this, act fast

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

View full emergency guide →

Safe Alternatives Your Cat 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

Is warfarin safe for cats?

Warfarin is considered TOXIC for cats. 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 cat eats warfarin?

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

What should I do if my cat 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.