Cat Ate Dog Medication: What to Do, Symptoms, and When to Seek Care

If your cat ate medication prescribed for a dog, it’s important to act quickly. Many medications that are safe for dogs can be harmful—or even toxic—to cats.

Because cats metabolize drugs differently, even a small amount can lead to serious side effects.

What to Do If Your Cat Ate Dog Medication

If your cat may have ingested dog medication, take these steps right away:

• Remove access to the medication to prevent further ingestion
• Identify the medication (name, dose, and type if possible)
• Estimate how much your cat may have consumed
• Do not give additional medication or try home remedies
• Call a veterinarian immediately

Call our veterinary team now: 425-800-8818
You can also contact ASPCA Animal Poison Control: 888-426-4435

Same-day urgent care appointments are available.

Are Dog Medications Dangerous for Cats?

Yes, some dog medications can be very dangerous for cats. Even drugs that seem similar may not be safe across species.

Common examples of concern include:

• NSAIDs formulated for dogs
• Certain flea and tick medications (especially permethrin-based products)
• Pain medications
• Heart medications
• Supplements with ingredients not safe for cats

Some topical dog products can be toxic just from skin contact.

Symptoms of Dog Medication Toxicity in Cats

Symptoms vary depending on the medication but may include:

• Vomiting
• Lethargy
• Drooling
• Loss of appetite
• Tremors
• Unsteady walking
• Seizures
• Skin irritation (from topical products)

Symptoms can appear quickly or develop over time.

When Should You Call a Veterinarian?

You should contact a veterinarian immediately if:

• Your cat has ingested any dog medication
• A dog flea/tick product was applied to your cat
• You are unsure what or how much was consumed
• Your cat is showing any symptoms

If your cat is having tremors, seizures, or severe lethargy, seek care immediately.

How We Treat Medication Toxicity

At L&L Animal Urgent Care, treatment depends on the medication and timing of exposure.

Treatment may include:

• Inducing vomiting if ingestion was recent
• Activated charcoal to reduce absorption
• Bathing to remove topical toxins (if applicable)
• IV fluids to support organ function
• Medications to control neurologic symptoms
• Monitoring and hospitalization in more severe cases

Early treatment significantly improves outcomes.

When in Doubt, Give Us a Call

Dog medications can pose serious risks to cats, even in small amounts. If your cat may have been exposed, it’s always safest to act quickly and have them evaluated.

We provide same-day urgent care to help your pet get the care they need as soon as possible.