How to Stop Excessive Barking in Dogs

By Dr Duncan Houston.

Barking is a normal part of canine communication. Dogs may bark to alert us, request attention, express excitement, create distance from something frightening or communicate distress.

The goal should not be to eliminate every bark. Instead, identify why the barking occurs, reduce unnecessary triggers and teach your dog a safer, quieter response.

Quick Answer

To reduce excessive barking:

Arrange a veterinary examination if the barking is new or unusual.
Record when, where and why it happens.
Prevent repeated exposure to avoidable triggers.
Meet your dog’s physical, social and mental needs.
Reward quiet behaviour before barking begins.
Teach an alternative such as going to a mat or checking in with you.
Introduce barking triggers gradually at a manageable intensity.
Seek professional help for fear, aggression or separation-related distress.

Avoid yelling, shock collars, spray collars and physical corrections. Punishment may temporarily interrupt barking, but it does not resolve the motivation underneath and can increase fear or anxiety.

When Does Barking Become Excessive?

There is no universal number of barks that defines a problem.

Barking may be considered excessive when it:

Continues for long periods
Happens repeatedly throughout the day or night
Interferes with sleep
Causes conflict with neighbours
Occurs alongside fear, panic or aggression
Prevents the dog from resting
Continues when nobody is home
Is difficult to interrupt
Appears suddenly in a previously quiet dog
Significantly affects the household or the dog’s quality of life

Some dogs and breeds are naturally more vocal than others. Breed tendencies may influence expectations, but they do not mean persistent distress or uncontrolled barking should be ignored.

Why Is My Dog Barking?

The treatment depends on the reason for the barking.

Type of barking	Common clues
Alert barking	Triggered by noises, movement, visitors or activity outside
Territorial barking	Directed towards people or animals approaching the home or property
Attention-seeking barking	Often occurs when the dog wants food, play, access or interaction
Excitement barking	Associated with walks, play, greetings or anticipated activities
Fear-related barking	Accompanied by retreating, lowered posture, tension or defensive behaviour
Frustration barking	Occurs when the dog cannot reach something or is restricted by a lead, fence or window
Separation-related barking	Begins before or after the owner leaves and may accompany pacing, destruction or house soiling
Social barking	Triggered by hearing other dogs vocalise
Compulsive barking	Repetitive, difficult to interrupt and sometimes associated with pacing or spinning
Pain-related vocalisation	New or unusual barking associated with movement, touch, restlessness or illness
Cognitive barking	More common in senior dogs, particularly at night or during periods of confusion

Several motivations can occur together. A dog barking at the window may be alerting, frightened and frustrated by the barrier.

Step 1: Rule Out Medical Causes

A sudden change in barking should prompt a veterinary examination.

Possible medical contributors include:

Pain
Arthritis
Dental disease
Ear disease
Skin irritation
Vision or hearing loss
Neurological disease
Hormonal or metabolic illness
Cognitive decline
Medication side effects

Senior dogs may vocalise because they are confused, uncomfortable or experiencing changes to their sleep-wake cycle.

Contact your veterinarian if barking is accompanied by:

Pacing or inability to settle
Panting when the environment is not hot
Reduced appetite
Altered movement
Sensitivity to touch
Night-time confusion
House soiling
Collapse or weakness
Seizures
A sudden change in temperament

Training cannot resolve barking driven by untreated pain or illness.

When Is Barking an Emergency?

Seek urgent veterinary help if the barking or vocalisation occurs with:

Difficulty breathing
Collapse
Seizures
Suspected poisoning
Severe pain
Abdominal swelling or repeated unproductive retching
Inability to urinate
Serious injury
Sudden disorientation or neurological changes
Extreme panic causing self-injury

Do not assume intense vocalisation is behavioural until an urgent medical problem has been excluded.

Step 2: Keep a Barking Diary

Record the following for at least one to two weeks:

Time of day
Location
What happened immediately before the barking
People or animals present
Duration
Barking intensity
Body language
How you responded
What caused the barking to stop
Whether your dog accepted food
How quickly your dog settled afterwards

Dogs Trust recommends using a diary to identify barking patterns and then changing the environment, providing enrichment and rewarding quiet behaviour. Read the Dogs Trust barking guide.

A camera can be extremely helpful if barking occurs when you are away. Do not rely entirely on neighbour reports, as the timing and context can reveal whether the cause is environmental noise, separation-related distress or something else.

Step 3: Prevent Repeated Barking

Every rehearsal can strengthen a behaviour. Management reduces opportunities to practise barking while training is underway.

Depending on the trigger, you may:

Apply frosted film to lower windows
Close blinds or curtains
Move furniture away from windows
Use baby gates to limit access to the front door
Bring the dog indoors before busy periods
Use white noise to soften external sounds
Store treats near common trigger areas
Arrange deliveries to be left without knocking
Meet visitors outside before entering
Walk during quieter times
Increase distance from dogs or people
Provide a calm room during gatherings

Management is not cheating. It creates a setting in which your dog is capable of learning.

Step 4: Meet Your Dog’s Needs

Barking can increase when a dog is bored, frustrated, overtired or under-stimulated.

A balanced routine may include:

Age-appropriate physical exercise
Sniffing opportunities
Food puzzles
Chewing
Nose-work games
Short reward-based training sessions
Play
Social interaction
Predictable rest
Opportunities to explore safely

More exercise is not always the answer. Excessive high-intensity activity can create a fitter but still over-aroused dog. Combine movement with sniffing, problem-solving and adequate sleep.

Enrichment can reduce boredom, but it will not cure fear, separation anxiety or pain.

Step 5: Capture Quiet Behaviour

Do not wait until your dog is barking to begin training.

Throughout the day, notice and reward:

Resting quietly
Looking outside without barking
Hearing a sound and checking in with you
Walking away from the window
Choosing a toy
Settling on a bed
Remaining calm while people move nearby

Use a marker such as “yes”, then deliver a reward.

For relaxation, place the treat gently between the dog’s paws so you do not encourage them to jump up.

Step 6: Teach an Alternative Behaviour

Choose an action that is incompatible with sustained barking.

Useful alternatives include:

Going to a mat
Looking at you
Touching your hand with the nose
Retrieving a toy
Moving behind a barrier
Searching for scattered treats
Turning away with you
Settling in another room

Teach the behaviour in a calm environment before using it around the real trigger.

A dog already barking intensely may be too aroused to respond. Increase distance or block the trigger before asking for the alternative.

How to Teach a Quiet Cue

The quiet cue should identify silence, not become part of a bark-treat-bark routine.

Step 1: Start With Mild Barking

Use a predictable, low-intensity situation in which your dog barks once or twice but remains comfortable.

Step 2: Wait for a Brief Pause

The moment your dog becomes quiet, mark the silence with “yes”.

Step 3: Reward Away From the Trigger

Deliver the treat away from the window, door or other trigger. This encourages disengagement rather than an immediate return to barking.

Step 4: Add the Word

Once your dog regularly pauses, say “quiet” immediately before the expected silence. Mark and reward when the pause occurs.

Step 5: Extend the Silence Gradually

Begin with one second, then vary the duration before marking:

One second
Three seconds
Two seconds
Five seconds
Three seconds

Avoid increasing the duration too quickly.

Do not shout “quiet” repeatedly over barking. Your dog may interpret this as you joining the noise, or the shouting may increase arousal.

Preventing a Bark-Treat-Bark Chain

Some clever dogs learn:

Bark.
Stop briefly.
Receive a treat.
Bark again.
Repeat until the snack department closes.

To avoid this:

Reward quiet behaviour before barking begins.
Deliver rewards away from the trigger.
Ask for a longer alternative behaviour, such as settling on a mat.
Vary the time between quiet rewards.
Reduce access to the trigger.
Avoid presenting the trigger solely to practise stopping barking.
Reward sustained calmness during ordinary daily life.

If barking reliably begins immediately after every reward, reassess your timing and management.

Doorbell and Visitor Barking

Doorbells predict exciting or concerning events, so begin training without real visitors.

Step-by-Step Doorbell Plan

Teach your dog to go to a mat in a quiet room.
Reward remaining on the mat.
Introduce a very soft doorbell recording.
Immediately cue the mat and reward.
Gradually increase the volume.
Practise with a helper knocking softly.
Increase the helper’s movement gradually.
Keep the dog separated when real visitors enter.
Allow interaction only if the dog is relaxed and the visitor follows instructions.

Dogs Trust recommends establishing bed or mat behaviour before adding a knock or doorbell. Read the Dogs Trust visitor-training guide.

Dogs that bark, growl or lunge at visitors may require a formal safety and behaviour plan. Do not force greetings.

Alert Barking at Windows

To reduce barking at people, wildlife or vehicles:

Block the lower portion of the window.
Move resting furniture away from the view.
Use quiet background sound.
Supervise access to the area.
Reward your dog for noticing the trigger without barking.
Call them away before arousal increases.
Provide an alternative activity elsewhere.

Allowing a dog to patrol a window all day can make the behaviour highly repetitive. From the dog’s perspective, barking appears successful because the person or animal eventually leaves.

Barking in the Garden

Dogs left unattended outdoors may bark at neighbours, wildlife, traffic, other dogs or environmental sounds.

Helpful strategies include:

Supervising garden access
Bringing your dog inside before barking escalates
Blocking gaps in fences
Providing brief, purposeful outdoor activities
Rewarding check-ins
Walking the dog rather than relying only on garden time
Avoiding unsupervised access during predictable busy periods

A long line may help during supervised training, but it should be attached to a well-fitted harness and never left on an unattended dog.

Do not leave a barking dog outside hoping they will tire themselves out. The behaviour may intensify and become more established.

Attention-Seeking Barking

Attention can include eye contact, talking, touching, feeding, opening a door or throwing a toy. Even scolding may reward barking if interaction is what the dog wanted.

A safer plan is to:

Confirm the dog’s toileting, exercise and welfare needs have been met.
Provide attention at predictable times.
Reward quiet approaches, sitting or bringing a toy.
Avoid providing the desired outcome while barking is occurring.
Re-engage during a quiet moment.
Teach a clear way to request interaction.

Ignoring is appropriate only when the barking is harmless and genuinely maintained by attention. Do not ignore barking caused by fear, pain, toileting needs or distress.

The behaviour may temporarily intensify when it stops producing the usual response. Consistency between household members is essential.

Excitement Barking

Dogs may bark when they see the lead, enter the car or anticipate food and play.

Break the routine into smaller steps:

Pick up the lead, reward quietness and put it down.
Approach the door, then pause.
Open the door only while the dog is settled.
Prepare meals in short stages.
Resume the activity when calm behaviour returns.

Avoid asking for prolonged stillness when the dog is highly excited. Begin with brief, achievable moments of quiet.

Fear-Related Barking

Fearful barking is intended to create distance or protect the dog from something they perceive as threatening.

Signs may include:

Retreating
Lowered posture
Ears held back
Tucked tail
Lip licking
Trembling
Growling
Hiding
Snapping when approached

Do not force the dog closer or punish the barking.

Increase distance and pair the trigger with high-value food at an intensity the dog can comfortably tolerate. Stop if the dog becomes tense, fixates or refuses food.

Fear-based barking should be addressed with guidance from a qualified reward-based professional, particularly when aggression is involved.

Frustration and Lead Barking

Some dogs bark because a lead, fence or window prevents them from approaching another dog, person or destination.

Treatment may involve:

Increasing distance
Teaching voluntary check-ins
Rewarding disengagement
Practising emergency turns
Using visual barriers
Selecting quieter walking routes
Avoiding on-lead greetings
Teaching loose-lead walking separately

Frustration can escalate into lunging or redirected biting. Avoid grabbing the collar or placing your hands near the dog’s face during a reaction.

Barking When Left Alone

Barking during absence is not automatically boredom or attention-seeking.

Possible causes include:

Separation-related distress
Confinement anxiety
External sounds
Activity outside the property
Inadequate preparation for alone time
Toileting needs
Pain or illness

Use a camera to determine:

How soon barking begins
Whether the dog can eat
Whether they pace or pant
Whether they watch windows
Whether barking follows outside noises
Whether they attempt to escape
Whether they settle between episodes

Separation-related distress may also involve drooling, destruction near exits, house soiling, persistent pacing or frantic escape attempts. VCA notes that barking during absences can have several causes and that confinement may worsen anxiety in some dogs. Read the VCA separation-anxiety guide.

Do not use a bark collar or allow a distressed dog to continue panicking. Speak with your veterinarian and a qualified behaviour professional.

Night-Time Barking

Night-time barking may result from:

Environmental sounds
Wildlife
Toileting needs
Pain
Anxiety
Cognitive decline
Changes in vision or hearing
A disrupted routine
Insufficient daytime rest
Separation from family members

A sudden onset, particularly in a senior dog, warrants a veterinary examination.

Helpful environmental changes may include a comfortable sleeping area, night-light, predictable toilet routine and reduced access to windows. These measures should accompany investigation of the underlying cause.

Why Punishment Can Make Barking Worse

Punishment may interrupt sound without changing the emotion or motivation behind it.

Avoid:

Yelling
Hitting
Leash corrections
Throwing objects
Spray bottles
Shock collars
Citronella collars
Ultrasonic bark devices
Choke or prong collars

Possible consequences include:

Increased fear
Heightened anxiety
Defensive aggression
Reduced warning signals
Damaged trust
Negative associations with people, dogs or locations
Barking that returns when the device is absent

The RSPCA advises using reward-based training and warns that punishment can worsen barking. Read the RSPCA guidance.

The American Veterinary Society of Animal Behavior also recommends reward-based methods rather than painful or intimidating training tools. Read the AVSAB position statement.

When Medication May Help

Behaviour medication may be considered when barking is associated with:

Persistent anxiety
Separation-related distress
Noise phobia
Panic
Compulsive behaviour
Severe reactivity
Inability to sleep or settle
Very slow recovery after triggers

Medication does not replace training or management. It may reduce anxiety enough for the dog to learn more effectively.

Only a veterinarian should prescribe medication. Do not give human medication, another animal’s prescription or an unreviewed calming supplement.

Common Barking-Training Mistakes

Focusing Only on the Noise

Barking is a symptom. The cause must guide the treatment.

Waiting Until the Dog Is Already Reacting

Begin rewarding calm behaviour before barking starts.

Repeating “Quiet” More Loudly

This often adds more noise and arousal.

Using Treats Only After Barking

This may create a bark-pause-treat sequence.

Leaving the Dog to Bark Outdoors

Unsupervised rehearsal can strengthen the habit and create neighbour conflict.

Assuming the Dog Needs More Exercise

Some dogs need better-quality enrichment and more rest rather than endless high-intensity activity.

Ignoring Distress

Fear and separation-related barking should not be treated as simple attention-seeking.

Progressing Too Quickly

A dog that remains calm for a soft doorbell recording may not be ready for three excited visitors arriving at once.

Expecting Complete Silence

Barking is normal. Aim for an appropriate level of communication and faster recovery.

When to Seek Professional Help

Consult your veterinarian or a qualified reward-based behaviour professional if:

Barking begins suddenly
Your dog appears frightened or panicked
Barking occurs only when the dog is alone
There is growling, lunging or snapping
The dog cannot disengage from triggers
Neighbour complaints are escalating
Sleep is regularly disrupted
Training has not produced improvement
Your dog has injured themselves
You are worried someone may be bitten

Choose a professional who uses transparent, reward-based methods and is willing to work with your veterinarian. Avoid anyone who guarantees results or relies on dominance, intimidation or pain.

Frequently Asked Questions

Should I let my dog bark a few times before saying “quiet”?

A small amount of alert barking may be acceptable in some households. Teach the quiet cue during mild, controlled situations and reward disengagement rather than waiting for intense barking.

Can I ignore attention barking?

You may withhold attention if the dog’s needs have been met and the barking is harmless and clearly attention-maintained. Reward quiet requests instead. Do not ignore fear, pain or distress.

Should I comfort a frightened barking dog?

Calm reassurance does not create fear. Increase distance from the trigger, offer support and use food if the dog can eat. Avoid forcing the dog to face the frightening situation.

Will a bark collar solve the problem?

It may suppress vocalisation temporarily but does not treat the cause. Bark collars can increase fear or anxiety and are not recommended.

Can dogs be trained never to bark?

Completely eliminating a normal communication behaviour is neither realistic nor desirable. The goal is appropriate barking, easier interruption and improved emotional wellbeing.

Why does my dog bark only at night?

Environmental sounds, wildlife, discomfort, toileting needs and cognitive decline are possibilities. New night-time barking, particularly in senior dogs, should be discussed with a veterinarian.

Why does my dog bark when nobody is home?

Use a camera to distinguish environmental alerting from separation-related distress. The treatment differs considerably.

How long will training take?

Mild, recently developed barking may improve within weeks. Fear, separation anxiety, compulsive behaviour or long-established habits may require several months and ongoing management.

Final Thoughts from Dr Duncan Houston

Barking is communication, not a character flaw.

Successful treatment starts with understanding what your dog is trying to communicate. Once the cause is identified, environmental management, enrichment and reward-based training can teach calmer and more practical responses.

Listen to the bark, treat the reason and reward the quiet moments before they disappear.

Get Personalised Barking Support With ASK A VET™

If your dog barks at visitors, neighbours, wildlife, other dogs or whenever you leave, ASK A VET™ can help you work out what may be driving it.

The ASK A VET™ team can help you:

Review your dog’s barking diary
Identify likely triggers and patterns
Consider possible medical contributors
Interpret body-language and stress signals
Build a practical home-management plan
Develop a reward-based training routine
Assess signs of separation-related distress
Decide when veterinary medication or specialist referral may be appropriate

If your dog is struggling to breathe, collapsing, having a seizure or showing signs of severe pain, contact a local emergency veterinarian immediately.

For non-emergency guidance, visit AskAVet.com and start building a calmer home without silencing what your dog is trying to tell you.

Know how they are, wherever they are

The ASK A VET™ Tracker logs live location and activity trends, so a change in routine never goes unnoticed.

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About the author

Dr Duncan Houston

Veterinarian · Founder of ASK A VET

Every ASK A VET article is written and reviewed by qualified veterinarians.

About Dr. Duncan →drduncanthevet

How to Stop Excessive Barking in Dogs