Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

How to Keep My Cat from Using the Dog Door: 10 Vet-Verified Tips & Tricks

cat looking curiously on the pet door

Cats are curious creatures, and they can become attracted to using the dog door for various reasons, such as exploring new areas, following their canine siblings, or seeking an escape route. However, allowing your cat to use the dog door can be dangerous since it exposes them to hazards like traffic, predators, and getting lost.

To prevent your feline friend from using the dog door, we’ve compiled this comprehensive guide with 10 effective tips and tricks. Keep reading to learn how to protect your cat while ensuring they have a fulfilling indoor life.

divider 2 cats

How to Keep My Cat from Using the Dog Door

1. Understand Your Cat’s Motivation

Before you can effectively address the issue, it’s essential to understand why your cat is using the dog door in the first place. Are they bored, curious, or seeking companionship with their canine sibling? Observing their behavior and considering their daily routine can provide valuable insights. Once you understand their motivation, you can tailor your approach to address the root cause of their behavior.

cat going outside using cat door
Image Credit: DextairPhotography, Shutterstock

2. Adjust the Size of the Dog Door

If possible, you can adjust the size of the dog door to make it less appealing or harder for your cat to use. While most cats are smaller than dogs, you can experiment with adding barriers or extensions around the door that still allow your dog to pass comfortably but make access trickier for your cat. For instance, adding a flap or using a door with a higher placement might make it harder for your cat to navigate through. Monitor your pets to ensure the adjustment doesn’t cause frustration for your dog while deterring your cat effectively.


3. Use Microchip or Magnetic Pet Doors

A more high-tech solution is to use a microchip or magnetic pet door that only opens for pets with a specific microchip ID number. This prevents your cat from using the dog door while still allowing your dog access. These advanced pet doors can provide an added layer of security, ensuring that only your authorized pets can enter and exit.


4. Use Deterring Materials

Using deterrents like double-sided tape or aluminum foil on the dog door’s surface can discourage your cat from attempting to use it. Cats typically dislike the feeling of the materials on their paws, making them less likely to approach the dog door. You can regularly check and replace the deterrents as needed to maintain their effectiveness.


5. Use a Baby Gate

A simple yet effective solution is to place a baby gate in front of the dog door, preventing your cat from accessing it. This method allows you to maintain separate access points for your pets without altering the dog door, but you have to remove the baby gate when your dog needs to go out since it will block their access too.

Safety baby gate on white background
Image Credit: Noel V. Baebler, Shutterstock

6. Increase Indoor Enrichment

To keep your cat entertained indoors, you can provide various toys, puzzle feeders, and climbing structures. It will help prevent boredom and reduce their desire to explore outside using the dog door. Periodically rotating toys and introducing new enrichment items can keep your cat engaged and interested in their indoor environment.

cat playing with a ball and a tunnel at home
Image Credit: Africa Studio, Shutterstock

7. Spend Quality Time with Your Cat

Spending time playing, grooming, and cuddling with your cat is vital to strengthen your bond and keep them content indoors. It can also alleviate boredom that may be causing them to seek adventure outside. The time and attention you give your cat can significantly impact their well-being and happiness.


8. Monitor Your Dog’s Behavior

Ensure your dog isn’t encouraging the behavior. Watch for any signs that your dog may be inviting your cat to play or follow them outside through the dog door. Discourage this behavior and redirect your dog to play or explore indoors. Fostering healthy interactions between your pets can prevent unwanted behaviors from developing.

cat and dog together on sofa
Image Credit: New Africa, Shutterstock

9. Provide a Safe Outdoor Space

Create a secure outdoor enclosure. If your cat is determined to enjoy the outdoors, consider building a secure outdoor enclosure (catio) so they can safely explore outside without using the dog door. A catio can provide your cat with the stimulation and enrichment they crave while protecting them from outdoor hazards.


10. Consult a Professional

If your cat continues to use the dog door despite your efforts, consider seeking advice from a professional animal behaviorist or trainer. They can provide tailored solutions and guidance based on your cat’s needs and behaviors. An expert’s perspective can be invaluable in addressing complex behavioral issues.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

divider 2 cats

Conclusion

By understanding your cat’s motivation for using the dog door, providing alternative solutions, and reinforcing positive behavior, you can effectively prevent your cat from using the dog door. Remember, consistency and patience are essential when implementing these tips and tricks. With time and effort, you can teach your cat not to use the dog door or at least distract them when your dog uses it, ensuring their safety and your peace of mind.


Featured Image Credit: Astrid Gast, Shutterstock

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

How to Keep a Cat From Running Out the Door: Our Vet Answers

As a cat owner, you’ve undoubtedly experienced escape attempts from your pet. Whether it’s trying to dart out the front door or attempting...

Sad, calico cat sitting, looking through small front door window on porch

How to Keep Cats From Breaking Blinds: 4 Useful Tips & Alternatives

Cats are wonderful parts of our lives, and they bring us so much joy and fun. However, they can also be destructive, unintentionally...

Cat peeking outside

How to Keep a Cat From Jumping Over a Gate: 8 Expert Tips

We love our cats, and their safety is our number one concern. Sometimes, it may feel like we care more about their safety...

cat leaping over fence

How to Discipline a Bengal Cat: 6 Vet-Verified Tips & Tricks

If you’ve recently adopted a Bengal, you’ve probably learned that these cats have a tendency to get into trouble. They’re curious, persistent, active,...

Bengal Cat on the tree

More related

cat leaping over fence

How to Keep a Cat From Jumping Over a Gate: 8 Expert Tips

We love our cats, and their safety is our number one concern. Sometimes, it may feel like we care more about their safety...

cat owner with her cat near window

How to Keep a Single Cat Happy: 10 Vet-Verified Tips for a Happy Kitty

If you only have a single feline in your home, you may wonder if your cat gets lonely or bored when you’re away...

Stray cats eating on the street

What to Do with a Stray Cat That Won’t Leave? Vet-Approved Tips & Tricks

If you have a stray cat outside your home, you should first assess the animal’s condition. What you should do with a healthy...

Young woman holding meat teaching training calico cat

How Long Does It Take to Train a Cat? 5 Vet-Approved Tips to Speed Up the Process

Training a cat might sound impossible, especially if you’ve ever owned one before (we know how stubborn they can be!). But the truth...

Keep reading

Why Does My Cat Keep Sneezing? 7 Vet-Verified Causes

Sneezing in cats has several causes. Cats sometimes sneeze to get rid of tickles in their noses, but the reflex can also be a sign of a severe illness. It’s not a huge deal if a cat sneezes once or...

Cat sneezes making funny expression

How to Approach a Cat (10 Great Vet-Verified Tips)

Interacting with a cat is like trying to close a business deal. You do your research, pitch the offer, set expectations, and deal with any objections along the way. If all goes well, you’ve got yourself a new business partner....

british shorthair being stroked by a womans hand

How to Tell If a Cat Is Allergic to Food: Vet-Approved Diagnosis Methods & Treatments

If you’re a cat owner, you probably know how important it is to provide them with a balanced and healthy diet. However, what happens when your feline companion starts experiencing unexplained signs like vomiting, diarrhea, or itchy skin? These could...

Cat scratching his ear while laying on a bed

Why Does My Cat Knock Over the Water Bowl? 5 Reasons & What to Do

You’ve heard that cats don’t like water, so you might wonder why your cat likes to dip their paws in their water or dump over their water bowl continually. Some cats are actually curious about the water, especially as kittens....

bengal cat playing water in the bowl

Will a Second Cat Help With Separation Anxiety? Vet-Reviewed Facts

Cats can get lonely and bored when left alone for long periods, which can lead to destructive behaviors. Separation anxiety in cats can include destructive behaviors, but if your cat has a feline friend to play with, it could help...

Sad Cat

What Do Cats Do When They Are Alone? 6 Vet-Approved Tips on Making It Fun for Them

Does your cat spend much time alone? Do you ever wonder what your cat does when they’re alone? Do you wonder if your cat sleeps the entire time, or maybe they play with their toys? You can buy a camera...

lonely cat sits alone on a bed at home and sadly looks at the window

How Do I Save a Kitten: 5 Vet Approved Steps to Follow

One of the most difficult aspects of Mother Nature is newborn animals failing to thrive. Kittens are at an increased risk of dying within the first few weeks of life, and it can be due to various causes. For example,...

grey and white persian kitten

8 Best Cat Brushes in the UK in 2025: Reviews & Top Picks

A cat brush can be used to keep your cat’s hair in good shape. It can also remove mats of hair that are especially common in longhaired breeds, and certain types of cat brushes and cat combs can even be...

cat brushing a home