Your cart is currently empty.
Dog Suddenly Scared of Something in the House? Why & What to Do - PawSafe

Dog Suddenly Scared of Something in the House? Why & What to Do

Photo of Tamsin De La Harpe

Written by Tamsin De La Harpe

dog suddenly scared of something in the house

Have you ever noticed your dog suddenly becoming scared of something in the house? It can be a confusing and concerning experience for both you and your canine companion. As pet owners, we want to ensure our dogs feel safe and comfortable in their own home, and a dog suddenly acting weird and scared of your trash can or coffee table can be confusing and distressing. They can even start acting afraid of certain areas in the house!

In this article, we’ll explore some common reasons why dogs become scared in the house and provide tips on how to help them overcome their fears. We will look at common reasons a dog may suddenly be terrified of something in the house and use the work of Dr. Nicola Rooney and colleagues on how to minimize sudden fear behavior in dogs. So let’s dive in.

 Whatever the cause may be, it’s important to address the issue and help your dog feel more at ease.

Just like humans, dogs can suddenly develop phobias, they may suddenly become frightened of you, or show very obvious fear behaviors like running away and hiding. Less obvious signs of anxiety include seeing the whites of your dog’s eye or constant lip licking. Dogs may also change their habits to avoid something in the home, such as by sleeping somewhere else.

So, let’s break down six common reasons why this might happen:

1. Puppy Fear Periods

Puppies go through natural “fear periods” during their development, and sudden fear can be a normal part of this process. These periods can occur between 8-10 weeks, 4-6 months, and 8-12 months of age. During these periods, puppies may become scared of things that didn’t previously bother them, such as household items or people.

There is a lot of difference in breeds when it comes to puppy fear responses. The courageous German Shepherd is known for sometimes being very dramatic about suddenly being spooked by an object that never bothered them before. The Cavalier King Charles spaniel puppies can also be pretty jumpy or timid at random times while growing up.

Puppy fear periods – an odd time when your fur baby might suddenly regard something familiar as if it were a creature from the “Bark Side.” It’s like one day, they’re all cool with the world, and the next, they’re looking at the same old garbage cans as if they’ve sprouted monster tentacles overnight!

I had a firsthand experience with this when Arthur, my spirited Bull Terrier puppy, suddenly decided that the garbage cans outside our house were plotting his downfall. It was quite the scene: there we were, ready for our daily walk, when out of the blue, Arthur goes into full-on bark mode at these innocuous metal bins.

Now, here’s the deal with fear periods: they’re totally normal. Puppies go through them as they grow, kind of like canine puberty but with less acne and more irrational fears. The key to handling this behavior isn’t to coddle them too much (sorry, pup, no extra treats for being scared) or to go the opposite route with punishments (because really, who’d understand what they’re being punished for?).

Dealing with Fear Period In Puppies

What I did with Arthur was a textbook example of patience. I stayed as calm as a pro napper on a Sunday afternoon, holding the leash loosely, acting as if yapping at trash was our new normal. No fussing, no scolding. I just let him bark it out. When the barking subsided, we continued our walk as if nothing happened.

Over the next few days, I made it a point to casually stroll a little closer to those “terrifying” cans, making sure we were close enough to challenge Arthur’s comfort zone but not too close to send him into panic mode. It’s all about finding that sweet spot – the threshold where they’re aware but not overwhelmed.

And guess what? Slowly but surely, our distance to the garbage cans decreased. Until one day, we were right next to them. I stopped and allowed Arthur to take the lead with a sniff investigation. After a brief inspection, he seemed to realize that they weren’t monsters after all. Just like that, the fear period fizzled out, and my happy-go-lucky puppy was back, trotting along as if those cans were just the most normal thing on the planet.

2. Single Event Learning

Picture this: your dog, tail wagging, is on an indoor adventure, casually sniffing around, when suddenly they bump into a broomstick. Crash! The broomstick topples, hitting the ground with a sound like a drum solo at a rock concert. Your dog bolts away, wide-eyed. Sounds familiar?

Well, this is a classic example of what behaviorists call “single event learning.” Dogs have this incredible (and sometimes inconvenient) ability to learn and make lasting associations from just one experience. This is why Pavlov called this associative learning.

It’s like their brains take a snapshot and file it under “Important Life Lessons.” This is particularly true for intense encounters, like the time a young pup might get bowled over by a boisterous dog at the park, leading them to be cautious or even reactive around other dogs.

Back to the broomstick debacle – now, every time your dog sees this once-innocuous cleaning tool, they see the Broomstick Boogeyman, the stuff of canine nightmares. It doesn’t matter that brooms are non-threatening; to your dog, it’s now a symbol of that scary, loud moment.

Dealing with a negative association

The trick to tackling single event learning isn’t to force your dog to face their newfound nemesis head-on. That’s like throwing someone who’s afraid of water into a pool and telling them to swim – not cool and not effective.

Instead, what you want to do is let the broomstick lay there, non-threateningly, in a spot your dog can see but not in a position where it can repeat its earlier performance. No repeats of the Broomstick Symphony, please. Then, it’s all about creating new, positive experiences around the broomstick.

Start by giving your dog treats from a safe distance where they’re comfortable, then gradually work your way closer. Maybe initiate a play session nearby, so your dog starts associating the broomstick with fun times and delicious goodies. Over time, your dog will learn that the broomstick is just a broomstick, not a fearsome monster.

It’s a delicate process, reshaping these associations, but with patience and positivity, your dog can learn to coexist with the broomstick peacefully. Who knows, they might even forget why they were scared in the first place. So, next time an inanimate object spooks your furry friend, remember: slow and steady wins the race to recovery!

3. New Objects or Changes in the Environment

You know how it is with dogs – they’re creatures of habit. Their world revolves around routines and familiar settings. So what happens when you switch things up at home? Let me share a little story about Amy, my elder Bull Terrier, that perfectly paints a picture of how dogs might react to environmental changes.

Amy was enjoying her time in the garden, probably chasing her own shadow, while I decided to do a bit of furniture shuffling inside. Out went the sofa from the living room to a bedroom. When Amy trotted back in, the couch that had been a permanent fixture in her living room landscape had vanished! She was baffled, to say the least, and voiced her concern in a series of barks directed at the now empty space.

It was like she was saying, “Excuse me, but where’s my couch? You know, the one I’ve drooled on for years?” Amy’s reaction was pretty mild, and she adjusted fairly quickly. But it got me thinking about dogs who might find such changes more challenging, particularly those with an anxious streak.

So here’s the scoop for fellow dog parents dealing with similar situations: keep your cool. Your dog takes cues from you, so if you’re acting like it’s no big deal, they’ll start to get the message that everything’s A-OK. It’s essential to maintain a regular routine to reassure your dog that despite the sofa doing a disappearing act, the important stuff – like feeding times, walks, and playtime – remains the same.

Remember, for some dogs, especially the ones that get nervous if their water bowl is moved an inch to the left, such changes can be a big deal. In these cases, a little extra TLC can go a long way. Maybe spend a bit more time with them, give them that extra pat, or engage in a comforting play session. It’s all about reinforcing the idea that while the environment might change, the love and care they rely on don’t.

In the end, most dogs, like Amy, will adapt to these new changes in stride. But it’s up to us, their trusty humans, to help bridge the gap between the old and the new with patience and a reassuring routine. So next time you decide to redecorate, just remember: to your dog, you’re not just moving furniture; you’re rearranging their world!

4. Previous Trauma or Negative Experiences

A dog’s past experiences can play a significant role in their sudden fear of objects or spaces in the house. Just like humans, dogs can suffer from traumatic experiences that affect their behavior. A study found that dogs rescued from hoarding situations often exhibit various fear behaviors, which can lead to anxiety triggered by specific objects or spaces. It’s somewhat akin to doggy PTSD.

When dogs have a history of neglect, abuse, or overcrowded living conditions, they can carry emotional scars that make them more sensitive to their surroundings. It’s crucial to understand that rehabilitating these dogs is a long-term project. 

The goal is to rewire their brains from a chronically anxious state to a calmer one. In some cases, a veterinarian may need to intervene with medication to help manage their anxiety effectively. But in general: treatment includes:

  • Regular exercise;
  • Committed socialization;
  • Trying to introduce playtime;
  • Building more positive experiences within the scary spaces;
  • Desensitization to scary objects and places; and
  • Creating a calm and stress-environment.

5. Noise Phobia and Household Items

Sudden, loud noises are one of the most common triggers for fearful behaviors in dogs. Many companion dogs suffer from noise sensitivity, and common household noises may also be causing fear and anxiety in companion dogs. 

According to a survey of 386 dog owners, numerous signs of canine fear and anxiety were reported in response to both daily and irregular but “normal” household noises. These responses were significantly stronger to sounds characterized as high frequency intermittent than to sounds characterized as low frequency continuous.

6. Underlying health issues

As our beloved dogs age, they may develop a condition known as Doggy Dementia or Canine Cognitive Dysfunction (CCD). This condition is somewhat similar to Alzheimer’s disease in humans and can affect their cognitive abilities and overall behavior. One of the hallmark signs of CCD is changes in behavior, and this can include sudden anxiety about something in the house.

Imagine your faithful companion who has always been confident and comfortable in your home suddenly becoming anxious or disoriented, even in familiar surroundings. This change can be distressing for both the dog and their owner. CCD can cause dogs to forget routines, become easily confused, or even forget where they are in their own home. This can lead to anxiety, as they may not recognize familiar people or places and may become agitated as a result.

But doggy dementia is far from the only medical problem that causes a sudden shift in behavior. One of the behavioral changes associated with hypothyroidism is increased anxiety. Dogs may become more nervous, irritable, and even exhibit fear or anxiety about specific things in their environment. This can be particularly confusing for both the dog and their owner, as it may seem like these anxieties are coming out of nowhere.

In both cases, it’s crucial for dog owners to be attentive to changes in their pet’s behavior and consult with a veterinarian if they notice any unusual signs of anxiety or distress.

Signs Your Dog is Scared

If you notice that your dog is suddenly scared of something in the house, it can be concerning. Here are some signs to look out for.

Body Language

Dogs communicate a lot through their body language, and it’s important to pay attention to these signals to understand how they’re feeling. Some common signs that your dog is scared include:

  • Tail tucked between their legs;
  • Ears pinned back against their head;
  • Body lowered to the ground;
  • Pacing or restlessness;
  • Showing the whites of their eyes;
  • Shaking or trembling;
  • Avoiding the trigger by hiding or running away; and
  • Dilated pupils.

Behavioral Changes

In addition to changes in body language, your dog may also exhibit some behavioral changes when they’re scared. These can include:

  • Vocalizing, such as whining or barking;
  • Hiding or seeking comfort in a safe space;
  • Refusing to eat or drink;
  • Avoiding certain areas of the house; and
  • Aggression or biting in extreme cases.

If you notice any of these signs, it’s important to try to identify the source of your dog’s fear and address it as soon as possible. This may involve removing the object or situation that’s causing the fear, or working with a professional trainer to help your dog overcome their anxiety.

How to Help Your Dog When They Are Frightened Of Something Within the Home

a scared dog

If your dog suddenly becomes scared of an object or area in the house, it can be a worrying and confusing experience for both you and your pet. Here are some tips on how to help your frightened dog.

Comfort and Reassurance

The first thing you should do is to comfort and reassure your dog. Dogs can sense when their owners are anxious, so it’s important to remain calm and relaxed. Talk to your dog in a soothing voice and offer them treats or their favorite toy.

It’s also important to create a safe space for your dog. This could be a crate or a specific room where they feel secure. Make sure this space is comfortable and has familiar items such as their bed and toys.

Professional Help

If your dog’s fear is severe or persistent, it may be necessary to seek professional help. A veterinarian or animal behaviorist can help determine the cause of your dog’s fear and develop a treatment plan.

In some cases, medication may be necessary to help your dog manage their fear. However, this should only be used as a last resort and under the guidance of a veterinarian.

Remember, every dog is different, and what works for one may not work for another. Be patient and understanding with your scared dog, and with time and effort, you can help them overcome their fear.

Preventing Future Fear Episodes

As dog owners, we want to ensure that our furry friends feel safe and comfortable in their own home. Here are a few things we can do to prevent future fear episodes:


One of the best ways to prevent fear episodes is to train our dogs to feel comfortable in different situations. This can involve exposing them to different sounds, smells, and textures in a controlled environment. By gradually introducing them to new stimuli, we can help our dogs build confidence and reduce their anxiety.

Another important aspect of training is teaching our dogs basic obedience commands. This helps establish a clear hierarchy and gives our dogs a sense of security. When our dogs know what is expected of them, they are less likely to feel overwhelmed or scared.

Creating a Safe Space

Creating a safe space for our dogs is another important way to prevent fear episodes. This can be a designated area in the home where our dogs feel secure and relaxed. It should be a quiet and comfortable space, away from any loud noises or distractions.

We can also use tools like calming pheromone diffusers or music designed specifically for dogs to help create a relaxing environment. Additionally, providing our dogs with plenty of toys and chew items can help distract them from any potential triggers.

In summary, by training our dogs and creating a safe space for them, we can help prevent future fear episodes. With a little patience and effort, we can ensure that our furry friends feel safe and comfortable in their own home.

Frequently Asked Questions (FAQs)

How can I help my dog overcome their fear of something in the house?

It’s important to approach your dog’s fear with patience and understanding. One way to help them overcome their fear is to gradually expose them to the object or area that is causing their fear. Start by keeping the object or area at a distance and gradually move it closer as your dog becomes more comfortable. Positive reinforcement training can also be helpful in building your dog’s confidence and reducing their fear.

Is it normal for dogs to suddenly become scared of certain areas of the house?

Yes, it’s normal for dogs to suddenly become scared of certain areas of the house. Dogs rely heavily on their sense of smell and any changes in the environment can be unsettling for them. Additionally, dogs may associate certain areas with negative experiences, such as being scolded or punished, which can cause them to become scared.

What are some common signs that a dog is scared or anxious?

Common signs that a dog is scared or anxious include trembling, excessive panting, hiding, whining, pacing, and avoiding eye contact. Some dogs may also display destructive behavior or become aggressive when they are scared or anxious.

Can a dog’s sudden fear be a sign of a medical issue?

Yes, a dog’s sudden fear can be a sign of a medical issue. Some medical conditions, such as pain or hearing loss, can cause dogs to become scared or anxious. If your dog’s sudden fear is accompanied by other symptoms, such as lethargy or loss of appetite, it’s important to consult with your veterinarian.

Should I seek professional help if my dog is suddenly scared of something in the house?

If your dog’s sudden fear is severe or persists for an extended period of time, it’s recommended to seek professional help from a certified dog trainer or veterinary behaviorist. These professionals can provide guidance and support in helping your dog overcome their fear and anxiety.


In conclusion, it’s important to remember that sudden fear or anxiety in dogs is not uncommon and can be caused by a variety of factors. As responsible pet owners, it’s our duty to identify the source of our dog’s fear and take appropriate action to help them feel safe and secure in our homes.

Some potential causes of sudden fear in dogs include changes in the environment, unfamiliar objects or people, loud noises, and past traumatic experiences. By observing our dog’s behavior and body language, we can often determine the cause of their fear and take steps to address it.

In some cases, professional help may be necessary to help our dog overcome their fear. This could include working with a trainer or behaviorist, or seeking medical treatment for underlying health issues.

Remember to always approach your dog with patience, understanding, and a willingness to help them feel comfortable and secure. With time and effort, we can help our furry friends overcome their fears and live happy, healthy lives.

Meet Your Experts

Avatar of author

Tamsin De La Harpe


Tamsin de la Harpe has nearly two decades of experience with dogs in rescue, training, and behavior modification with fearful and aggressive dogs. She has worked closely with veterinarians and various kennels, building up extensive medical knowledge and an understanding of canine health and physiology. She also spent two years in the animal sciences as a canine nutrition researcher, focusing on longevity and holistic healthcare for our four-legged companions. Tamsin currently keeps a busy homestead with an assortment of rescue dogs and three Bullmastiffs.

Tamsin de la Harpe has nearly two decades of experience with dogs in rescue, training, and behavior modification with fearful and aggressive dogs. She has worked closely with veterinarians and various kennels, building up extensive medical knowledge and an understanding of canine health and physiology. She also spent two years in the animal sciences as a canine nutrition researcher, focusing on longevity and holistic healthcare for our four-legged companions. Tamsin currently keeps a busy homestead with an assortment of rescue dogs and three Bullmastiffs.