Why Dogs Bark and Curbing Excessive Barking

Medically Reviewed by Amy Flowers, DVM on May 28, 2023
7 min read

No one should expect a dog to never bark. That’s as unreasonable as expecting a child to never talk. But some dogs bark excessively. If that’s a problem in your home, the first step is figuring out what causes your dog to bark too much. Once you know why they are barking, you can start to treat their barking problem.

Barking is one type of vocal communication that dogs use, and it can mean different things depending on the situation. Here are some reasons why dogs bark:

Territorial/Protective: When a person or an animal comes into an area your dog considers their territory, that often triggers excessive barking. As the threat gets closer, the barking often gets louder. Your dog will look alert and even aggressive during this type of barking.

Alarm/Fear: Some dogs bark at any noise or object that catches their attention or startles them. This can happen anywhere, not just in their home territory. Their ears will be back and tail tucked when they are in a state of fear. 

Boredom/Loneliness: Dogs are pack animals. Dogs left alone for long periods, whether in the house or in the yard, can become bored or sad and often will bark because they are unhappy.

Greeting/Play: Dogs often bark when greeting people or other animals. It’s usually a happy bark, accompanied with tail wags and sometimes jumping.

Attention Seeking: Dogs often bark when they want something, such as going outside, playing, or getting a treat.

Separation Anxiety/Compulsive Barking: Dogs with separation anxiety often bark excessively when left alone. They also usually exhibit other symptoms as well, such as pacing, destructiveness, depression, and inappropriate elimination. Compulsive barkers seem to bark just to hear the sound of their voices. They also often make repetitive movements as well, such as running in circles or along a fence.

Getting your dog to bark less will take time, work, practice, and consistency. It won’t happen overnight, but with proper techniques and time, you can see progress.

Here are a few tips to remember as you start your efforts to control your dog’s barking.

  • Shouting stimulates your dog to bark more because they think you’re joining in. So the first rule is to speak calmly and firmly, but don’t yell.
  • Most dogs don’t know what you want when you’re yelling at them to “shut up.” So train your dog to understand the word “Quiet!”

Here are two methods:

When your dog is barking, say “Quiet” in a calm, firm voice. Wait until they stop barking, even if it’s just to take a breath, then praise them and give them a treat. Just be careful to never reward them while they are barking. Eventually they will figure out that if they stop barking at the word “quiet” they get a treat (and make it a delicious treat, such as chicken, to make it worth more than the barking.)

Alternatively, you can teach your dog to “speak; once they are doing that reliably, signal them to stop barking with a different command, such as “quiet”, while holding your finger to your lips (dogs often pick up body signals faster than voice commands.) Practice these commands when they are calm, and in time they should learn to stop barking at your command, even when they want to bark at something.

  • A tired dog is a quiet dog. If your dog barks when alone, tire them out before you go. Take a long walk or run, play ball or take a trip to the dog park before leaving.
  • Don’t allow problems to go on and on. The longer a dog does something, the more ingrained it becomes. Barking can give dogs an adrenaline rush, which makes the barking pleasant. And allowing a dog to bark in certain situations, such as when the mailman arrives, can eventually make a dog aggressive in those situations. What if your dog gets out one day as the mail is being delivered? Deal with barking problems as quickly as possible.
  • Some medical problems can cause excessive barking, from bee stings to brain disease to ongoing pain. Older pets can develop a form of canine senility that causes excessive vocalizations. It’s always a good idea to have a pet checked by a veterinarian to be sure there’s no medical reason for a problem.

Once you know why your dog is barking, you can start working on ways to decrease their annoying habit:  

Territorial/Protective/Alarm/Fear: Because this type of barking is often motivated by fear or a perceived threat to their territory or people, it can be lessened by limiting what your dog sees. If they are in a fenced yard, use solid wood instead of chain fencing. Indoors, limit access to windows and doors or cover them with an opaque film.

Boredom/Loneliness: If your dog barks excessively while you’re gone, you need to provide more activities or companionship to keep them from being lonely or bored.

Bringing an outdoor dog inside will lessen the noise impact on neighbors, and provide extra security for your home. It’s also safer, because dogs left alone outside can face theft, escapes, poisoning, harassment, and other dangers.

But dogs can still bark inside if bored. So if your dog barks while you’re at work all day, get someone to walk your dog or play with them for at least an hour a day.

Providing something for your dog to do during the day also can help. Try leaving out a couple of food-dispensing toys, which come in different shapes and sizes. These can keep them busy for several hours, then they’ll probably take a nap.

Dogs that bark all night should be brought indoors. Dogs quickly learn to sleep quietly inside, and are added protection for your family.

You also can drop your pet off at doggie daycare two or three days a week, or take up agility, obedience, or another active form of dog training.

Greeting/Play: To stop a dog from going into a barking frenzy every time you come home or the doorbell rings, you’ll need to teach them other behaviors. One way is to train your dog to go to a spot and stay there when the door opens. It’s best if they can see the door, but not be too close to it. Pick a spot and practice getting your dog to go there and stay, but don’t touch the door yet. Use lots of treats and praise, making it a game.

Once your pet is doing this reliably, start opening the door while they are in their spot.

Once you can open the door and your dog will stay in their spot, have someone actually come in the door. Of course your dog will break from the spot at first, but with time and practice, they’ll learn to stay in their spot when the door opens and guests come in.

Never reward your dog for barking at you when you come home. Do not pet them or even make eye contact until your dog stops barking and sits quietly. Then acknowledge and praise them.

Attention seeking: Never reward barking. If your dog barks when they want water, and you fill the dish, you’ve taught them to bark to get what they want. If they bark to go outside, it’s the same. So teach them to ring a bell you tied to the door handle to go out. Bang the water dish before filling it, and maybe they’ll start pushing it with their nose to make the same noise. Find ways for your dog to communicate without barking.

If they bark and you see their dish is empty, wait a few minutes, go do something else, then fill it, so they won’t know their barking was effective.

Remember not to scold your pet. For a dog, that’s still considered attention. The key is to ignore your dog and what they want, until they stop barking.

Separation Anxiety/Compulsive Barking: Separation anxiety and compulsive barking are both difficult to treat and should be handled with the help of a veterinary behaviorist or a certified applied animal behaviorist. Dogs with these problems often need drug therapy to help them cope while learning new, more acceptable behaviors.

Bark Collars. Should you use one?

There are a number of products on the market that promise to stop barking quickly. Collars that go on your dog can deliver audible or ultrasonic corrections to your dog, but they aren’t effective on all dogs. Citronella-spraying collars often work, but some dogs learn they can run them out of spray and then bark at will.

Shock collars, which deliver a painful jolt to your pet, can cause pets harm and may make dogs aggressive, especially if they associate the person or animal they are barking at with the pain.

Other off-collar devices can work well if your dog barks in a set area. Bark-activated water sprayers or noisemakers switch on when they pick up barking, shooting water at your pet or emitting an irritating sound. These can sometimes break a dog of barking in a given area, but they work best if you are home to reward your pet when they stop barking. That helps reinforce what you want your dog to do.

What not to do:

  • Don’t encourage your dog to bark at some noises (a door slamming, people walking by) and discourage them from barking at others. Be consistent.
  • Never use a muzzle or other means of constraint to keep a dog quiet for long periods or when they aren’t supervised. It can be dangerous to your pet.

*Debarking is very controversial and is considered inhumane by many. It does not address the underlying cause of the barking. It is a surgical procedure in which the folds of tissue on either side of a dog’s larynx, or voice box, are removed, leaving dogs with a raspy bark instead of a full bark. Complications are common and can be life threatening, including breathing difficulties, higher incidents of choking, and ongoing pain. Dogs also have been known to regain their voices after the surgery. The procedure does not stop the barking, it only makes it sound different.