Signs of Dog Anxiety: How to Spot Stress in Your Dog

What does dog anxiety actually look like?

Anxiety in dogs doesn’t come with a label. There’s no single tell — instead, it shows up as a pattern of responses that vary in intensity depending on the dog, the situation, and the underlying cause. Some dogs pace and pant. Others go still and withdraw. A few become destructive. The common thread is that the dog’s nervous system is stuck in a state of heightened arousal, and the behaviours you see are their attempt to cope with that internal pressure.

A large-scale 2020 study published in Scientific Reports surveyed more than 13,700 pet dogs and found that 72.5 per cent displayed at least one anxiety-related trait. Noise sensitivity was the single most common trait, affecting roughly 32 per cent of dogs in the study, followed by general fearfulness. What makes those numbers striking is that many owners in the study underestimated how fearful their own dogs actually were — a finding echoed by separate research into how we interpret canine body language during everyday situations.

Veterinary behaviourists broadly group canine anxiety into three categories. Separation anxiety emerges when a dog becomes distressed at being left alone or separated from a specific person. Noise phobia is an intense, disproportionate fear response to sound — thunderstorms, fireworks, construction noise, even vacuum cleaners. Generalised anxiety is the broadest category: a persistent pattern of tension or hypervigilance across multiple situations, without a single obvious trigger. Many anxious dogs don’t fall neatly into one box; comorbidity between anxiety types is common, and a dog with noise phobia is statistically more likely to also show separation-related distress.

Physical signs of dog anxiety

The body language of an anxious dog is remarkably consistent once you learn what to look for. These signals tend to appear in a rough hierarchy — mild stress shows up first, and more intense indicators follow if the situation doesn’t change.

Mild stress signals

The earliest physical signs are the ones most often missed. Lip-licking when there’s no food around, yawning outside of tiredness, and a tightly closed mouth in a dog that normally pants are all displacement behaviours — things a dog does to self-soothe when they feel uneasy. You might also notice ears pinned back or flattened against the skull, a low or tucked tail, or a dog that suddenly turns its head away from whatever is causing the discomfort.

Another subtle but reliable cue is the whale eye: a wide-eyed look where you can clearly see the whites of the dog’s eyes, usually when they’re looking sideways at something without turning their head. On its own, a single yawn means nothing. In combination, and in context, these signals paint a clear picture.

Escalating physical responses

When mild signals go unrecognised — or when the stressor persists — the body’s response intensifies. Panting when it’s not hot, trembling or shaking (especially visible in the hindquarters), and excessive drooling all point to the autonomic nervous system ramping up. Some dogs shed more heavily under acute stress, something groomers and vet nurses see regularly.

You may also notice pacing — walking the same route through the house in a repetitive, almost compulsive loop — or a rigid, frozen posture where the dog seems locked in place. These aren’t quirks. They’re the canine equivalent of a racing heart and sweaty palms, and they mean the dog is genuinely struggling.

Behavioural red flags that signal deeper anxiety

Physical signs tell you a dog is stressed in the moment. Behavioural changes tell you the anxiety has started to reshape daily life. Recognising these patterns early is the difference between an easy-to-manage worry and a problem that takes months of work to unwind.

Destructive behaviour — particularly targeting exits like doors, windows, and crates — is one of the clearest indicators of separation anxiety. The damage isn’t random; it’s concentrated around the points where the dog last saw you leave. Excessive barking or howling that starts within minutes of your departure and continues for extended periods is another hallmark. Neighbours often notice before the owner does.

House soiling in a previously toilet-trained dog is frequently misread as defiance. In the vast majority of cases, it’s a distress response. The dog isn’t being spiteful — their system is flooded with stress hormones and the usual self-control simply isn’t available to them. Similarly, a dog that has become a shadow — following you from room to room, unable to settle unless you’re within sight — is showing you that being alone has become genuinely intolerable.

Research from Grigg et al. (2021) found that owners frequently underestimate their dogs’ stress responses to common household sounds, with many interpreting obvious fear behaviours as amusing rather than concerning. That gap between what the dog is communicating and what we pick up on is part of why anxiety escalates: the early signals get dismissed, and the dog learns that only louder, more disruptive behaviours get a response.

Common triggers for dog anxiety in Australia

Not every anxious dog has the same story, and pinpointing what sets your dog off is half the battle. Here are the triggers we see most often — and a few that are specific to living in Australia.

Being left alone is the most widely reported trigger. Dogs are social animals, and some simply haven’t learned that solitude is safe. This is especially common in rescue dogs, dogs rehomed after a major life change, and puppies who weren’t gradually exposed to alone time during the critical socialisation window.

Loud or unpredictable noise is a close second. In Australia, storm season across the eastern states and New Year’s Eve fireworks are the two biggest culprits, but everyday sounds — vacuum cleaners, smoke alarms, even high-pitched intermittent beeping — can trigger disproportionate fear responses in sensitive dogs.

New environments and unfamiliar people push many dogs into a heightened state, particularly if early socialisation was limited. Car travel, vet visits, and trips to the groomer are common flashpoints. Changes in household routine — a shift in work hours, a new baby, a partner moving in or out — can also destabilise a dog that relies on predictability. And while we sometimes overlook it, another pet’s behaviour in the home can be a stressor: a pushy housemate dog or an unpredictable cat can keep a sensitive dog permanently on edge.

If your dog’s barking escalates when left alone or during storms, our guide to managing excessive barking at home covers that specific trigger in detail.

When anxiety needs professional help

Most mild anxiety responds well to environmental management and gradual desensitisation at home. But there’s a line — and when your dog crosses it, professional support isn’t optional. According to the RSPCA, dogs with severe anxiety may benefit from a combination of veterinary-prescribed medication and structured behavioural modification, particularly when the dog is at risk of injuring themselves.

A veterinary behaviourist — not just a general-practice vet, ideally — can assess whether your dog’s anxiety has a physiological component such as pain, thyroid dysfunction, or cognitive decline in older dogs, and design a treatment plan that addresses both the emotional and physical drivers. Medication isn’t a crutch; it lowers the baseline arousal level so the dog can actually learn from behavioural work. Without it, severely anxious dogs often can’t absorb training at all.

Don’t wait until the anxiety is unmanageable. If you’ve noticed a pattern forming and simple changes aren’t helping, booking a consultation early gives you — and your dog — the best chance of a good outcome.

Practical steps you can take right now

You don’t need a diagnosis to start making things better. Small, consistent changes to your dog’s environment and routine can meaningfully reduce day-to-day anxiety — and they’re worth doing whether or not you’re also pursuing professional help.

Predictability matters. Anxious dogs thrive on routine. Fixed walk times, consistent feeding schedules, and a reliable departure-and-return pattern all reduce the “what’s happening next?” uncertainty that fuels anxiety. If your schedule is about to change, ease into it gradually rather than flipping everything overnight.

Create a safe retreat. Every anxious dog benefits from a low-stimulation space they can access freely — not locked in, not forced, just available. A quiet corner with a quality calming bed, dim light, and minimal foot traffic can become a genuine self-regulation tool. Our guide to creating a safe space for anxious dogs walks through location, bedding, and scent strategies in detail.

Desensitise gradually. If you can identify the trigger — a specific sound, the car, being alone — controlled, low-intensity exposure paired with positive reinforcement is the gold-standard approach. Start well below the threshold that causes a reaction and increase slowly over days or weeks. Flooding a fearful dog by forcing exposure does the opposite of what you want.

Consider calming products. Pressure garments, weighted blankets, and pheromone diffusers can take the edge off for many dogs, particularly during known trigger events like storms or departures. They’re not a fix on their own, but they pair well with the environmental and routine changes above.