Separation Anxiety in Dogs: Why It Happens and How to Ease It

A dog that destroys a door frame, howls for an hour, or urinates indoors only when left alone is not being spiteful or poorly house-trained — it is very likely experiencing genuine panic. Separation anxiety is one of the most misunderstood behavior problems in dogs precisely because the damage looks intentional, when the underlying cause is closer to a panic attack than to disobedience.

How to tell separation anxiety apart from boredom

Boredom-driven destruction tends to be scattered and mild — a chewed shoe, some rearranged trash. True separation anxiety usually concentrates around exit points: door frames, window sills and crates the dog was left in, along with excessive drooling, vocalizing within minutes of the owner leaving, and pacing that starts before the owner has even walked out the door, triggered by pre-departure cues like picking up keys. The ASPCA’s guide to separation anxiety notes that these behaviors happen only when the dog is alone or senses it will be, which is the clearest way to distinguish it from general destructiveness.

Why it happens

A sudden change in routine. A move, a new work schedule, or a household member leaving can trigger anxiety in a previously comfortable dog.
Under-exposure to alone time as a puppy. Dogs that are rarely left alone early on may never build tolerance for solitude.
A shelter or rescue history. Dogs that have already experienced abandonment are statistically more prone to developing separation-related anxiety.
Insufficient physical and mental exercise. An under-stimulated dog has more pent-up energy to convert into anxious behavior once left alone.

What actually helps, step by step

The core treatment is systematic desensitization to departures: practicing the pre-departure routine — picking up keys, putting on shoes — without actually leaving, until those cues stop predicting anxiety. Then building alone-time in tiny increments, starting with seconds, not minutes, and only extending the duration once the dog stays calm at the current length. A consistent, calorie-appropriate exercise routine like the one described in The Daily Walk also meaningfully reduces baseline anxiety, since a physically tired dog has an easier time settling. Puzzle feeders and a safe, comfortable space help, but they support the desensitization process — they do not replace it.

Rule out other explanations first

Not every dog that soils the house or chews a door frame while alone has separation anxiety. The ASPCA recommends ruling out medical problems first, since incontinence, urinary infections and medications that increase urination can all look like anxiety-related accidents. After that, consider behavior problems with similar signs: incomplete house training, urine marking, excitement urination, adolescent chewing or plain boredom.

The key question is whether the behavior happens only when the dog is alone, or also when someone is home. A cheap camera pointed at the main door for a few departures often answers that within days, and the footage is useful to show a vet or behaviorist later.

What a first week of departure training can look like

Every dog progresses at its own pace, but a typical starting plan looks something like this:

Days 1 and 2: pick up your keys or put on your coat, then sit back down. Repeat several times a day until the dog stops reacting to these cues.
Days 3 and 4: step outside and close the door for a few seconds, then come back in calmly. Keep returns low-key, because an excited greeting makes the moment of separation feel bigger.
Days 5 to 7: extend absences gradually, a few seconds at a time at first, and only when the dog is relaxed at the current length. If the dog panics, go back to the last duration it handled calmly.

A food-stuffed toy given only as you leave can help dogs with mild anxiety, although very anxious dogs often will not eat while alone. During the training period, the ASPCA advises not leaving the dog alone for longer than it can cope with, which may mean daycare, a dog sitter or a friend for a few weeks.

What tends to make it worse

Punishment after the fact. The dog cannot connect it to damage done earlier, and added fear feeds the anxiety.
Crating a dog that panics in the crate. Crates comfort some dogs and terrify others. Heavy panting, frantic escape attempts or non-stop barking in the crate mean it is the wrong tool, and a baby gate across a doorway may work better.
Long, emotional goodbyes and over-the-top greetings, which turn departures and returns into bigger events.
Getting a second dog purely to fix the problem. Some dogs do enjoy canine company, but because the anxiety is usually about being apart from a particular person, another animal does not reliably solve it.

When to bring in outside help

Mild cases often improve within a few weeks of consistent departure desensitization, ideally started using the same patient, structured approach behind Dog Training at Home. Moderate to severe cases — self-injury, non-stop vocalizing, or panic that does not improve with practice — usually need a certified behaviorist and sometimes veterinary-prescribed anti-anxiety medication used alongside training, not instead of it. Punishing the damage after the fact never helps, since the dog was not misbehaving — it was suffering.

Separation-related problems are common: a review published in Veterinary Medicine: Research and Reports estimated that around 20% of dogs are affected, and found that behavior modification built on systematic desensitization and counterconditioning is the most successful approach. In the United States, clomipramine and fluoxetine are approved for treating separation anxiety in dogs, but they are prescribed by a veterinarian alongside training, not as a substitute for it. For complex cases, the ASPCA suggests looking for a board-certified veterinary behaviorist or a certified applied animal behaviorist.

Sources and further reading

Updated October 13, 2026: expanded with how to rule out other causes, a sample first week of departure training, common mistakes, treatment evidence and sources. How this article was prepared: researched from the sources listed above, then written and edited by Hugo Mellado. Pet & Pet is an independent publication, not a veterinary practice, and this article has not been reviewed by a veterinarian. See our editorial policy.

Keep reading: Dog care guide · Dog Training at Home, Part 1 · The Daily Walk

Pet & Pet publishes educational content written and reviewed by Hugo Mellado. It is not veterinary advice and never replaces an examination by a licensed veterinarian. If an animal is unwell, contact a veterinary professional. Read our full Disclaimer.