Separation anxiety does not always begin with barking, destruction, or accidents in the house. Some of the earliest signs can appear before you even leave. A dog may begin shadowing you, become unable to settle, refuse food they normally enjoy, or show subtle stress behaviors–like lip licking, yawning, or shaking off. The most important clue is the pattern: these behaviors occur specifically around your departure or while your dog is left alone.

Quick Answer: What Are the Early Signs of Dog Separation Anxiety?

Five early signs of dog separation anxiety to watch for are:

  1. Your dog starts following or shadowing you when you prepare to leave.
  2. Your dog cannot settle once departure cues begin.
  3. Your dog refuses food or a stuffed food toy they normally enjoy.
  4. Your dog shows subtle stress behaviors such as lip licking, yawning, panting, body tension, or intense watching around departures.
  5. Your dog shows distress after you actually leave.

No single behavior alone indicates that a dog has separation anxiety. What matters is whether a consistent pattern develops specifically when you prepare to leave or when your dog is alone.

Watch: 5 Early Signs of Dog Separation Anxiety Most Pet Parents May Miss

Many people think dog separation anxiety is obvious.

They picture a dog barking continuously, destroying furniture, scratching at the door, or having accidents in the house.

Those behaviors can occur in dogs experiencing separation-related distress, but these outward displays of stress are not the same for every dog.

Some of the earliest changes can be much quieter.

You may notice that your dog begins following you more closely as you get ready to leave. Your dog may repeatedly get up instead of settling. A favorite food toy may suddenly go untouched. You may see subtle stress behaviors that seem insignificant until you recognize when they are occurring.

That timing matters.

When evaluating possible separation anxiety, we don’t want to take one behavior out of context and label it anxiety. Instead, we want to look at what the dog does, when the behavior happens, and whether it reliably appears in connection with departure or being left alone.

Here are five early signs worth watching.

1. Why Does My Dog Shadow Me Before I Leave?

Many dogs enjoy being close to their people, so following you around the house does not automatically mean your dog has separation anxiety.

The more useful question is:

Does your dog’s following behavior change when you begin getting ready to leave?

You might notice your dog:

  • following you more intensely from room to room;
  • getting up whenever you move;
  • watching as you put on shoes or a coat;
  • becoming more attentive when you pick up your keys or bag;
  • following you toward the door.

These everyday actions can become departure cues—signals that predict that you may soon be leaving.

The important distinction is between a dog who generally enjoys following you and a dog whose behavior noticeably changes when departure cues appear.

What should you look for?

Look for a repeatable pattern.

If your dog normally rests comfortably while you move around the house but begins shadowing you closely when you start your departure routine, that change provides useful information.

The key isn’t simply, “My dog follows me.” It’s, “My dog’s behavior changes when I begin preparing to leave.”

2. Why Can’t My Dog Settle Down Before I Leave?

Another early sign can be an increasing inability to settle as departure approaches.

Your dog may:

  • lie down and immediately get back up;
  • move repeatedly from one location to another;
  • hover near you;
  • follow you each time you move;
  • watch you intensely;
  • appear unable to return to resting once your departure routine begins.

Again, context matters.

A dog becoming briefly interested when you pick up your keys isn’t necessarily concerning. What becomes more meaningful is a dog who cannot return to a relaxed state once those departure cues occur.

For example, imagine that your dog was resting on the couch.

You put on your shoes. Your dog gets up.

You walk into another room, and your dog follows.

You pick up your bag, and your dog remains close by, watching you. Maybe they start to pant.

Instead of returning to the couch and settling, the dog continues monitoring everything you do.

That repeated inability to settle can be an important part of the larger pattern.

3. Why Does My Dog Refuse Food or a Kong When Left Alone?

Food refusal can be particularly confusing because many people intentionally leave their dog something enjoyable before going out.

Perhaps your dog normally loves:

  • a stuffed Kong;
  • a favorite chew;
  • treats;
  • another stuffed food toy;
  • a food puzzle.

But when you’re preparing to leave—or after you’re gone—the dog doesn’t touch it.

Then you return home and your dog begins eating it.

Does refusing food mean my dog has separation anxiety?

Not by itself.

There are many reasons a dog may choose not to eat.

But if a dog who normally enjoys food consistently stops engaging with high-value food specifically when anticipating or experiencing an absence, that pattern is worth paying attention to.

The timing is more informative than food refusal alone.

In other words:

“My dog didn’t eat the Kong” isn’t enough information.

A more useful observation is:

“My dog normally loves this food, but repeatedly refuses it when I leave and eats it after I return.”

That gives you much more behavioral context.

4. Why Is My Dog Lip-Licking and Yawning Before I Leave?

Some potential signs of stress are easy to overlook because they can be small and brief.

You may notice behaviors such as:

  • lip licking;
  • yawning when the dog does not appear tired;
  • panting without an obvious reason;
  • changes in facial or body tension;
  • intense watching of you;
  • increased attention toward the door or exit.

None of these behaviors should be interpreted in isolation as proof of separation anxiety.

Dogs lip lick. Dogs yawn. Dogs pant. Dogs watch people.

Context changes the significance of the observation.

If these behaviors begin appearing repeatedly during your departure routine or while your dog is alone, they become more useful pieces of the puzzle.

That is why looking for a cluster of behaviors occurring in a predictable context is more valuable than trying to determine a problem from one isolated sign.

Behavior + Context + Timing Matter

Instead of asking:

“Does yawning mean my dog has separation anxiety?”

A better question is:

“Does my dog repeatedly begin showing these behaviors specifically when I prepare to leave?”

That distinction can prevent normal dog behavior from being incorrectly labeled as separation anxiety while also helping you recognize meaningful changes earlier.

5. What Does Separation Anxiety Look Like When a Dog Is Left Alone?

The most important information may be something you never see in person:

What your dog actually does after you leave.

A dog experiencing distress while alone may show behaviors such as:

  • pacing or repeatedly moving around the home;
  • repeated vocalization;
  • difficulty settling;
  • scratching or attempting to get through doors or barriers;
  • destructive behavior associated with the absence;
  • other behavioral changes that begin after the person leaves.

This creates an obvious problem for pet parents:

You’re not there to see it.

You might leave a quiet dog and return to a quiet dog and assume everything was fine in between.

That assumption isn’t always reliable as resignation doesn’t equal relaxation.

Record Your Dog When You Leave

One of the most useful things you can do if you’re concerned about separation anxiety is record your dog during an absence.

A camera allows you to observe behavior you would otherwise miss.

Pay particular attention to what happens:

  • as you begin preparing to leave;
  • immediately after you walk out;
  • during the first several minutes;
  • as the absence continues;
  • if and when your dog eventually settles.

Some dogs may begin showing distress very soon after their person leaves.

Recording gives you observable information instead of requiring you to guess based only on what you find when you return home. However, be sure to avoid putting your dog into a situation where they practice the unwanted or anxious behavior just for the sake of recording. 

The Most Important Clue Is the Pattern

One lip lick does not determine separation anxiety.

Following you once does not indicate separation anxiety.

Refusing one treat does not equate to separation anxiety.

Even barking while alone can have more than one possible explanation.

What makes these observations more meaningful is a consistent relationship between the behavior and separation.

Ask yourself:

  • Does my dog’s behavior change when I begin preparing to leave?
  • Does my dog become increasingly unable to settle as departure approaches?
  • Does my dog stop doing things they normally enjoy, such as eating?
  • Do subtle stress behaviors repeatedly appear around departures?
  • What happens once I am actually gone?

Taken together, those observations provide a much clearer picture than any single symptom.

What Should I Do If I Think My Dog Has Separation Anxiety?

Start by gathering information rather than deliberately pushing your dog until they become distressed.

Record your dog’s behavior during an ordinary absence and write down what you observe.

Useful notes might include:

  • what happened before you left;
  • which departure cues were present;
  • when your dog’s behavior changed;
  • what the dog did after you left;
  • whether the dog ate;
  • whether the dog settled;
  • approximately when important behaviors occurred.

Objective descriptions are more useful than labels.

For example:

“My dog paced between the front door and window for eight minutes”

provides more useful information than:

“My dog was really anxious.”

If you’re seeing a consistent pattern of separation-related distress, discuss what you’re observing with your veterinarian and an appropriately qualified behavior professional.

Early Dog Separation Anxiety Can Be Easy to Miss

Separation anxiety isn’t always a dog destroying the house the moment someone walks out the door.

Sometimes the first changes are subtle.

A dog begins watching more closely, following more intensely, settling less easily, leaving normally irresistible food untouched, or showing small changes in body language.

Then the dog’s behavior may change again once the door closes.

The goal isn’t to turn every small behavior into a symptom.

It’s to recognize a repeatable pattern connected specifically to departures and being alone.

And because much of that behavior happens when you’re not there, recording your dog can be one of the most valuable first steps.

Frequently Asked Questions About Early Signs of Separation Anxiety

What are the earliest signs of separation anxiety?

Early signs can include increased shadowing around departure cues, difficulty settling before the pet parent leaves, refusal of normally desirable food, subtle stress behaviors around departure, and distress after the dog is left alone. The pattern and timing of the behaviors are more informative than any single behavior.

Does my dog following me everywhere mean separation anxiety?

No. Many dogs naturally enjoy following their people. Following becomes more relevant to separation anxiety when there is a noticeable increase specifically as the guardian begins preparing to leave.

Why won’t my dog eat a Kong when I leave?

A dog may refuse a stuffed Kong or other favorite food for many reasons, so food refusal alone does not indicate separation anxiety. However, consistently refusing normally desirable food specifically during departures or absences can be an important behavioral clue.

Is yawning or lip licking a sign of separation anxiety in dogs?

Yawning or lip licking alone does not prove separation anxiety. These behaviors are what are known as “displacement” behaviors and out of context (a yawn when not tired, for example) can indicate fear, anxiety, or stress. They become more informative when they repeatedly occur alongside other behavioral changes specifically during departure preparation or while the dog is alone.

Why can’t my dog settle when I’m getting ready to leave?

Some dogs become increasingly attentive or aroused as they recognize departure cues such as shoes, keys, bags, or normal leaving routines. If your dog repeatedly becomes unable to return to a relaxed state as departure approaches, that pattern is worth observing.

How can I tell what my dog does when I’m gone?

Record your dog with a camera during an absence. Video allows you to see behaviors such as pacing, vocalizing, attempts to reach an exit, food refusal, or difficulty settling that may occur after you leave and stop before you return.

Can one symptom tell me my dog has separation anxiety?

No. A single behavior should not be used by itself to determine that a dog has separation anxiety. Look for multiple observations that reliably occur in connection with preparing to leave or being left alone.

Should I record my dog if I suspect separation anxiety?

Yes. Recording can provide valuable information about what your dog does during an absence and when behavioral changes begin. That information can also be useful when discussing your concerns with a veterinarian or qualified behavior professional.

About Terrie Hayward, M.Ed.

Terrie Hayward, M.Ed., is a professional dog trainer and behavior expert, Certified Separation Anxiety Trainer (CSAT), Karen Pryor Academy Faculty Member, and author specializing in canine separation anxiety and science-based behavior change.

Terrie is also a Karen Pryor Academy Certified Training Partner (KPA-CTP), Certified Professional Dog Trainer–Knowledge Assessed (CPDT-KA), and Certified Dog Behavior Consultant (CDBC). Her work focuses on positive reinforcement, behavior analysis, and practical, individualized strategies for helping dogs and their families navigate challenging behavior.

Through her work with pet parents and professional trainers, Terrie has particular expertise in helping people understand and address dog separation anxiety and separation-related behavior.