Medications

Naproxen

Toxic for Cats

Danger — seek vet help

🐶

For Dogs

Toxic

🐱

For Cats

Toxic

View dog safety info →

Symptoms to Watch For

Vomiting, bloody stool, kidney failure, seizures

What You Need to Know

Has narrow margin of safety in dogs and is extremely toxic to cats. A single pill can cause kidney failure and GI ulcers. Remains in the body longer than other NSAIDs.

Source: Pet Poison Helpline

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

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

Antibiotic Ointment (Pet)

Safe

Medications

Heartworm Medication (Pet)

Prescription Flea Medication (Oral)

Frequently Asked Questions

Is naproxen safe for cats?

Naproxen is considered TOXIC for cats. Has narrow margin of safety in dogs and is extremely toxic to cats. A single pill can cause kidney failure and GI ulcers. Remains in the body longer than other NSAIDs.

What are the symptoms if my cat eats naproxen?

Symptoms may include: Vomiting, bloody stool, kidney failure, seizures.

What should I do if my cat eats naproxen?

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