Separation Anxiety in Dogs: Signs & How to Help

You pick up your keys, and your dog's whole body changes. The pacing starts. Maybe the whining, or the desperate watching of the door. And the moment you leave, the barking, the howling, or the chewing begins — sometimes for the entire time you are gone. If this sounds painfully familiar, your dog may be living with separation anxiety, and I want you to know two things right away: she is not being naughty, and you have not failed her.

As a veterinarian, separation anxiety is one of the issues that breaks owners' hearts the most — because the dog is genuinely panicking, and the person feels trapped between their dog's distress and the simple need to leave the house. The good news is that separation anxiety in dogs is very treatable. It takes patience and a clear plan, but the great majority of dogs can learn to feel calm and safe on their own.

This guide explains what separation anxiety really is, how to tell it apart from ordinary mischief, and the gentle, step-by-step approach I recommend to help your dog feel secure when she is home alone.

What is separation anxiety in dogs?

Separation anxiety is genuine distress — even panic — that a dog feels when she is separated from the person or people she is most attached to. It is not boredom and it is not spite. It is closer to a panic attack: the dog is overwhelmed by fear that she cannot control, and the barking, destruction, or accidents are the visible overflow of that fear.

The defining feature is that the behavior happens specifically when your dog is left alone, or sometimes simply separated from one particular person, and usually begins within the first 15 to 30 minutes after you leave. A dog who chews a shoe while you are home is bored or under-exercised. A dog who only ever destroys things, soils the house, or cries when left by herself is showing something different — and something she needs help with.

The signs of separation anxiety

The hallmark of separation anxiety is that the signs appear only, or mainly, when your dog is alone. Common ones include:

• ✖Barking, howling, or whining that starts soon after you leave
• ✖Destructive chewing or scratching, especially at doors, windows, and exits
• ✖Accidents indoors from a dog who is normally house-trained
• ✖Pacing, often in a fixed line or circle
• ✖Drooling, panting, or trembling
• ✖Trying to escape — sometimes to the point of injuring herself
• ✖Frantic, over-the-top greetings when you return
• ✖Following you from room to room, and growing agitated as you prepare to leave

If you are unsure whether what you are seeing is anxiety, it helps to set up a phone or camera to record your dog while you are out. Watching those first 30 minutes tells you almost everything. For a fuller picture of canine stress signals, see our guide to the signs of stress in dogs.

Is it really separation anxiety?

Before you treat separation anxiety, it is worth ruling out the things that can look just like it. A direct answer first: not every dog who chews or barks when alone has separation anxiety.

• ✔Boredom and under-stimulation. A young, energetic dog with too little exercise will find her own entertainment — often destructively.
• ✔Incomplete house-training. Accidents may simply mean your dog cannot yet hold it that long.
• ✔A medical issue. Bladder problems, digestive upset, or pain can cause accidents and restlessness. This is why a vet visit matters.
• ✔Noise sensitivity. A dog reacting to thunder or fireworks while you happen to be out is frightened of the noise, not of being alone.

What causes separation anxiety?

There is rarely a single cause. Often it is a combination of a dog's natural temperament and a triggering change. Common contributors I see include:

A major change in routine or household. A move, a change in your work schedule, a new home, or the loss of a family member or another pet can all set off separation anxiety. Many owners noticed it appear when daily routines shifted and dogs suddenly had to adjust to being alone again.

A change of guardian or rehoming. Dogs from shelters or who have been rehomed are over-represented, which makes sense — they have already lost a family once.

Temperament and attachment. Some dogs are simply more sensitive and more deeply bonded, which makes separation harder.

Never having learned to be alone. A dog who has rarely been left — including many who were adopted during periods when their people were always home — may never have built the skill of settling solo.

Age and life stage. Separation anxiety can surface at either end of life. Young dogs may struggle as they learn independence, while older dogs sometimes develop new clinginess as their senses dull or age-related changes set in. If your senior dog has suddenly become anxious about being apart from you, it is always worth a veterinary check, because in older dogs the cause is more often medical. Whatever your dog's age, remember this: the behavior is communication, not defiance. She is telling you, in the only way she can, that being apart from you feels frightening — and that is something you can help her with.

How to help a dog with separation anxiety

Here is the plan. Separation anxiety responds best to a steady, gradual approach that teaches your dog, in small safe doses, that being alone is nothing to fear. Rushing it backfires, so think in weeks, not days — and celebrate small wins.

1. Start with a veterinary visit

Always rule out medical causes first, especially if the accidents or restlessness are new. Your veterinarian can confirm it is anxiety, check for underlying health issues, and — in more severe cases — discuss whether medication might help your dog while you do the behavioral work. There is no shame in that; for a panicking dog, it can be a kindness.

2. Keep arrivals and departures calm and low-key

Big, emotional goodbyes and ecstatic reunions accidentally teach your dog that your comings and goings are enormous, dramatic events. Instead, leave quietly without a fuss, and when you return, greet her calmly only once she has settled. The message you want to send is simple: "Me leaving and coming back is no big deal."

3. Take the meaning out of your departure cues

Dogs learn the rituals that predict your exit — picking up keys, putting on shoes, grabbing a bag. For an anxious dog, those cues alone can start the panic. You can defuse them by doing them at random times without leaving: pick up your keys and then sit down to read; put on your coat and then make a cup of tea. Repeated often, this teaches your dog that these signals no longer reliably mean you are leaving.

4. Build alone-time gradually (the heart of the plan)

This is the core technique, and it works. Begin with separations so short your dog stays completely calm — even just stepping behind a closed door for a few seconds — then return before she has a chance to worry. Slowly, over many sessions, stretch the time you are out of sight. If at any point she panics, you have gone too fast: drop back to a duration she can handle and build up more slowly.

The golden rule is to keep her under the threshold where fear kicks in. Every calm absence is a small lesson that you always come back. Practiced daily, these lessons add up to a dog who can relax on her own.

A few practical tips make this easier. Practice at quiet times of day when your dog is already relaxed, not when she is wound up. Keep your exits and returns matter-of-fact, so the door itself stops feeling dramatic. And watch her body language closely on the camera — settling, sighing, or sleeping means you can gently lengthen the next absence; pacing or whining means you have asked for a little too much, too soon. There is no prize for rushing; the dogs who recover most fully are usually the ones whose owners moved slowly and let every step feel easy.

5. Tire her out and leave something wonderful

A well-exercised dog settles far more easily. Give her a good walk and some play before you leave, so her body is relaxed and ready to rest. Then make your departure positive by leaving a special treat she only gets when you go — a hollow rubber toy stuffed with something delicious like peanut butter or her wet food, ideally frozen so it lasts. For many dogs, this turns the moment you leave into something to look forward to.

6. Create a safe space and add gentle calming support

Set up one cozy, secure spot that is always your dog's — a comfortable bed in a quiet area, with familiar bedding that smells of home. Soft background sound can help mask outside noises that might otherwise startle her while you are gone.

You can also support her with a dog-appeasing pheromone, a copy of the natural, comforting scent a mother dog gives off to reassure her puppies. It is undetectable to us, but to your dog it quietly signals safety — which is especially valuable in those first tense minutes alone.

This is exactly why we created the CalmiCollar: a wearable calming collar that surrounds your dog with that reassuring, mother-dog scent throughout the day, helping her feel safe even when you cannot be there — gently, and without sedation.

7. Never punish the anxiety

If you come home to a mess, it is natural to feel frustrated — but please do not scold her. Your dog cannot connect a telling-off to something she did hours ago; she only learns that your return is now something to dread, which deepens the anxiety. The damage is a symptom of panic, not disobedience.

8. Go slow, and get help if you need it

Separation anxiety improves with consistency, not speed. If progress stalls, or your dog's panic is severe — injuring herself, breaking through crates or windows — please reach out to your veterinarian or a qualified behavior professional. A tailored plan, sometimes combined with medication, can make all the difference for the most distressed dogs.

How to manage day-to-day while you train

Here is a practical tension every owner runs into: the training works best when your dog is never pushed past her panic threshold, yet life still requires you to leave the house. The answer is to separate your training absences from your real absences as much as you can, so that your everyday comings and goings do not constantly undo your careful progress.

While you are working through the gradual alone-time plan, try to arrange things so your dog is not left alone longer than she can comfortably handle. Options that help include:

• ✔Asking a trusted family member, friend, or neighbor to stay with her
• ✔A dog walker or pet sitter to break up the longest stretches
• ✔Doggy daycare for dogs who genuinely enjoy other dogs and people
• ✔Bringing her along to dog-friendly places when you can
• ✔Working from home, or shifting your schedule, during the early weeks if possible

This is not "giving in" — it is protecting your dog from rehearsing panic while she learns a calmer way to be alone. As her tolerance grows through training, you will need these supports less and less. Think of them as training wheels: temporary, and there to keep her steady until she can balance on her own.

What not to do

A few well-meant habits can quietly make separation anxiety worse:

• ✖Punishing the barking, chewing, or accidents
• ✖Suddenly leaving her alone for long stretches before she is ready
• ✖Dramatic, emotional goodbyes and homecomings
• ✖Using a crate to confine a panicking dog who is not already happy in one — it can cause injury
• ✖Getting a second dog as a quick fix — it rarely solves anxiety about you

How long does it take?

Mild separation anxiety can improve within a few weeks of consistent practice. More established or severe cases often take several months. The timeline depends on your dog, how long the anxiety has been present, and how steadily you can practice the gradual alone-time training. Progress is rarely a straight line — expect good days and setbacks — but the overall direction, with patience, is toward calm.

When to call your veterinarian

Please reach out to your veterinarian or a behavior professional if:

• ✔Your dog injures herself trying to escape
• ✔The signs are severe, or appeared suddenly
• ✔You cannot avoid leaving her alone while you work on training
• ✔Home strategies have not helped after several weeks

If you are still in the early stage of understanding your dog's worry, our overview of how to calm an anxious dog is a good companion to this guide, and if the distress is worst after dark, see dog anxiety at night.

Frequently asked questions

Can separation anxiety in dogs be cured?

Most dogs improve a great deal, and many reach the point of being calm and relaxed when home alone. Rather than thinking in terms of an instant cure, think of it as teaching a skill: with consistent, gradual practice, your dog learns to feel safe by herself.

Should I get another dog to keep mine company?

It rarely works as a fix. True separation anxiety is about your dog's bond with you, so a second dog usually does not relieve it — and you may simply end up with two dogs to care for. Address the anxiety directly first.

Is crating a dog with separation anxiety a good idea?

Only if your dog already loves her crate and sees it as a safe den. For a panicking dog who is not crate-trained, confinement can increase distress and risk injury. When in doubt, a comfortable, dog-proofed room is safer.

How long can I leave a dog with separation anxiety alone?

While you are working on it, the goal is to avoid leaving her alone longer than she can handle calmly, because every panicked absence undoes progress. Lean on family, a dog walker, daycare, or a sitter as needed in the meantime.

Does a calming collar help with separation anxiety?

It can be a helpful part of the plan. Dog-appeasing pheromones have been shown to reduce separation-related distress^[1], and a collar provides that reassurance continuously. Use it alongside the gradual training above rather than on its own.

Will my dog grow out of separation anxiety on her own?

Usually not. Left unaddressed, separation anxiety tends to stay the same or worsen, because every panicked absence reinforces the fear. The reassuring flip side is that it responds very well to the gradual, gentle approach in this guide — so the sooner you start, the sooner she improves.

My dog is fine alone sometimes but not others — is that still separation anxiety?

It can be. Some dogs cope with short, predictable absences but unravel with longer or unexpected ones, and others are calmer when left in a familiar place than a new one. Recording her while you are out, in different situations, helps you and your veterinarian see the pattern clearly.

The bottom line

Separation anxiety is one of the hardest things to watch your dog go through — but it is also one of the most treatable. Rule out medical causes, keep your exits calm, defuse your departure cues, and above all build alone-time gradually so your dog is never pushed past her comfort. Add a safe space and gentle calming support, stay patient, and lean on your veterinarian when you need to. Step by step, your dog can learn the most reassuring lesson of all: you always come back.

This article is for general educational purposes and reflects general veterinary guidance. It is not a substitute for individual veterinary advice, diagnosis, or treatment. Every dog is different — if your dog's behavior changes suddenly or you are worried about her health, please contact your veterinarian. In a suspected poisoning emergency, call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 right away.

References

To read a study, copy and paste the link into your browser.

[1] Kim YM, Lee JK, Abd el-Aty AM, Hwang SH, Lee JH, Lee SM. Efficacy of dog-appeasing pheromone (DAP) for ameliorating separation-related behavioral signs in hospitalized dogs. Canadian Veterinary Journal. 2010;51(4):380-384. https://pubmed.ncbi.nlm.nih.gov/20592826/

[2] Landsberg GM, Beck A, Lopez A, Deniaud M, Araujo JA, Milgram NW. Dog-appeasing pheromone collars reduce sound-induced fear and anxiety in beagle dogs: a placebo-controlled study. Veterinary Record. 2015;177(10):260. https://doi.org/10.1136/vr.103172

[3] Weng HY, Ogata N. The impact of COVID-19 pandemic on pet behavior and human-animal interaction: a longitudinal survey-based study in the United States. Frontiers in Veterinary Science. 2023;10:1291703. https://doi.org/10.3389/fvets.2023.1291703