Separation anxiety in dogs: when leaving home breaks your dog's heart

Separation anxiety is one of the most common behaviour problems I see in Hong Kong — a city of long working hours and small flats is hard on dogs wired for constant company. It is also one of the most misunderstood: the destruction, barking and house-soiling are not spite, and they are not boredom. They are panic.

The picture is usually consistent: distress starts as you prepare to leave (keys, shoes, the bag), peaks in the first 30–60 minutes, and shows as barking or howling, destruction focused on exits (doors, window frames), house-soiling despite being toilet-trained, drooling, and sometimes self-injury. Neighbour complaints are, unfortunately, often how it is discovered. A camera is the single most useful diagnostic tool — record your dog after you leave and watch what actually happens.

Distinguish it from lookalikes. A bored dog chews things and finds mischief but settles; an anxious dog panics. Incomplete house-training soils whether you are home or not. Barrier frustration happens when confined even with you present. The distinction matters because the treatments differ.

Punishment makes it worse — reliably. The dog is not 'guilty' when you come home to damage; the cringing is a response to your body language, not a confession. Scolding adds fear of your return to the fear of your departure.

Treatment is desensitisation: teaching the dog, gradually, that departures predict nothing terrible. In practice that means starting with absences so short the dog stays calm — sometimes only seconds — and building duration slowly, always staying below the panic threshold. Practise departure cues (picking up keys, then sitting back down) so they lose their predictive power. This works, but it is measured in weeks to months, and for moderate-to-severe cases, medication prescribed by your vet meaningfully speeds progress by lowering the panic ceiling enough for learning to happen.

What helps around the edges: exercise before departures, calm low-key greetings and goodbyes, food puzzles given only when you leave, and day care or a walker for the long days while training is in progress. If this is your dog, bring it up at a consultation — with a proper plan, most improve substantially, and both of you get your life back.