Signs of Dog Separation Anxiety: How to Know If Your Dog Has It

Your dog was perfect all weekend. Then Monday came, and so did a text from your neighbour about the barking. Or you came home to a chewed doorframe. Or you noticed your dog spent the last 20 minutes of your morning routine glued to your side, panting quietly.

Is it separation anxiety? Boredom? Just a one-off? Knowing the difference matters — because the approaches are completely different, and misreading the signals can mean weeks of effort aimed at the wrong problem. Here's how to read what your dog is actually telling you.

Signs of Separation Anxiety vs Normal Dog Behaviour

Before diving into symptoms, there's one rule that explains everything: signs of separation anxiety in dogs are context-dependent. They appear specifically when your dog is home alone — or anticipating your departure — and reduce or disappear entirely when you're present.

This is what separates true separation anxiety from boredom, adolescent chewing, or an incomplete house-training foundation. A bored dog destroys your shoes whether you're home or not. An anxious dog does it in the two hours after you leave.

Behavioural Signs of Dog Separation Anxiety

Destructive Chewing

One of the most visible — and costly — signs. Dogs with separation anxiety tend to target items that carry your scent: shoes, clothing, bags, sofa cushions. They also focus on the physical barriers between themselves and the outside world: door frames, windowsills, skirting boards. The destruction often clusters around exits.

Key distinction: if your dog chews furniture or belongings regardless of whether you're home, boredom or insufficient enrichment is a more likely cause than separation anxiety.

Excessive Barking, Howling, or Whining

Not a quick protest bark followed by settling — but sustained, distressed vocalisation that can last for hours. Neighbours are often the first to flag this one. Some dogs alternate between periods of intense howling and exhausted silence, which can make it harder to detect without a camera. (VCA)

House Soiling

Urinating or defecating indoors despite being fully house-trained is one of the more distressing signs for both dog and owner. When it happens only during alone time and not while you're present, separation anxiety is strongly indicated. Stress genuinely overrides a trained dog's normal self-control — this is not a house-training failure.

Escape Attempts

Some anxious dogs direct all their energy toward getting out — scratching at doors until their paws bleed, bending crate bars, breaking through baby gates, or trying to push through windows. Escape-related injuries are a serious welfare concern and one of the clearest signals that professional support is needed. (AVMA)

Pacing and Inability to Settle

Some dogs don't chew or bark — they just walk. Back and forth, the same path, over and over, for hours. This compulsive pacing is a visible sign of acute stress and can be easy to miss without a camera, since there's nothing left behind as evidence when you return.

Physical Signs of Dog Separation Anxiety

Separation anxiety isn't only behavioural — it has physical symptoms too.

Drooling and Panting

Excessive drooling when food isn't involved, or panting when it's not hot and your dog hasn't exercised, are reliable signs of acute psychological stress. You might notice wet patches near the front door on your return, or damp paw prints where your dog has been sweating. (Cornell Riney Canine Health Center)

Trembling or Shaking

Some dogs visibly shiver during the anxiety response — more common in smaller breeds, but seen across all sizes. It's easy to mistake for cold if you don't know what to look for.

Vomiting or Food Refusal

In moderate to severe separation anxiety, some dogs vomit during alone time or won't touch food left for them while you're out. If your dog eats enthusiastically when you're home but ignores meals when alone, anxiety is worth exploring as a cause.

Pre-Departure Signals: The Signs That Show Up Before You Even Leave

One of the most telling — and most commonly overlooked — aspects of separation anxiety in dogs is the anxiety that builds before departure. Dogs are extraordinary readers of human behaviour, and they learn your leaving routine fast.

Watch for these in the 20–30 minutes before you go:

• Shadowing — following you from room to room, staying within touching distance
• Attention-seeking escalation — pawing, nudging, leaning, or jumping that increases as you prepare to leave
• Yawning, lip-licking, or whale eye — stress signals indicating rising anxiety before you've even reached the door
• Refusing breakfast — stomach tension from anticipatory stress
• Distress when you close interior doors — even brief separation triggers the response

Pre-departure anxiety matters because a dog who is already stressed before you leave is starting from a much harder place. Their nervous system is elevated before the alone time even begins.

What Doesn't Count as Separation Anxiety

It's worth ruling out other explanations before starting a separation anxiety programme — not every home-alone behaviour points to anxiety.

• Normal adolescent chewing — puppies and dogs under two often chew regardless of your presence. If it happens when you're home too, anxiety probably isn't the driver.
• Reactive barking — responding to a delivery driver or a squirrel is normal. Sustained distressed vocalisation for 20+ minutes is the concern.
• Incomplete house training — different from a trained dog soiling specifically under stress.
• Under-stimulated working breeds — a Border Collie or Husky with two hours of exercise deficit will make their own entertainment. This looks different from anxiety-driven destruction.

How to Confirm It: The Camera Test

There's no substitute for seeing what actually happens when you're not there. A pet camera placed in the area your dog uses most during alone time will tell you in one session:

• Whether distressing behaviours happen consistently or occasionally
• How quickly after departure distress begins — seconds, or after a settling period?
• Whether your dog ever truly settles and rests, or stays activated throughout
• Exactly what's happening, so you can describe it accurately to a vet or behaviourist

Once you can see it clearly, the training process becomes measurable. You'll know precisely what you're working toward changing — and you'll be able to see the progress building week by week.

A frozen lick mat given just before you leave is one of the simplest first steps you can take: it creates a positive association with your departure and gives your dog's nervous system something calming to focus on. Pairing it with calming treats may help support a more settled baseline while you work through the training process.

For the full picture on what to do once you've identified the signs, see our complete guide to dog separation anxiety.

When to Go Straight to a Vet

Some presentations of separation anxiety need veterinary attention promptly — not eventually. Get support quickly if:

• Your dog is injuring themselves — bleeding paws, damaged nails, dental injuries from crate bars
• Distress is immediate and intense the moment you prepare to leave
• Your dog is vomiting, not eating, or showing physical signs of sustained stress
• Multiple moderate-to-severe signs are present across more than one category

A vet check is also worthwhile to rule out medical causes for any soiling or unusual physical symptoms before attributing everything to anxiety. (AVMA)