Your Dog Is Losing It on the Leash. Here's Why.

Walking your dog around Singapore should be a relaxing experience, but if your furry friend turns into a barking, lunging whirlwind at the sight of another dog, it can feel like you’re going through a train-wreck.

It’s hot
He’s losing his shit.
You’re getting embarrassed and frustrated.
It’s just an all-around disaster.

If this sounds familiar, your dog might be experiencing leash reactivity. Leash reactivity in dogs refers to barking, lunging, or reacting to triggers like other dogs or people while on a leash. Let’s break it down and see what you can do about it.

What Is Leash Reactivity in Dogs?

Leash reactivity is when a dog barks, lunges, or displays other aggressive-seeming behaviors when on a leash. It’s important to remember, though, that this isn’t just about aggression. Leash reactivity often stems from strong emotions such as frustration, fear, or excitement.

Picture this: your dog sees another dog and wants to say hi, but the leash holds them back. Frustration builds up, and suddenly, you’ve got a lunging, barking pup on your hands.

All it is, is your dog showing you that they have some big feelings about something in the environment and need you to help them handle it.

So, while it feels like they’re giving us a hard time and misbehaving, in reality, they’re HAVING a hard time and need our understanding and support.

 

When Does Leash Reactivity Show Up?

Leash reactivity can appear in various situations, including:

Walking by Other Dogs:
The most common trigger. Your dog sees another dog and reacts with barking and lunging. It could be because they want to get closer to investigate, or it could be to warn the other dog to stay away because they’re scared.

Encountering Strangers:
New people can be exciting or scary, depending on the person and your dog,  causing them to react.

Seeing Small Animals:
Squirrels, monkeys, birds, or cats can trigger your dog’s prey drive, leading to reactive behavior, but again this is just instincts kicking in, that we need to help them manage in a more human acceptable manner.

Unfamiliar Environments:
New sights, sounds, and smells can at times be overwhelming and cause your dog to react to the most harmless things in that place while they’re on the leash.

Tight Spaces with Hidden Corners:
Walking through HDB corridors, or tight condo pathways where dogs appear suddenly appear around a corner with zero warning. Your dog has no time to process before they’re already over threshold.

If this sounds like your walks right now, you can read more about how I work with dogs who bark and lunge on the leash and what a step-by-step plan actually looks like here.

How To Stop Dog Barking and Lunging on the Leash

First of all: Breathe.

Dealing with leash reactivity takes patience and a bit of strategy. Here are some steps you can take to help manage and reduce your dog’s reactive behavior:

  1. Rule out Medical Issues

In some cases, sudden leash reactivity in dogs can be linked to pain or discomfort. A vet check-up can help ensure there’s no underlying health problem contributing to the behavior. Think about it, if you’re in pain, automatically your capacity to tolerate things that scare you or bother you reduces. Its the same with our dogs.

  1. Consult a Professional:

A certified dog trainer or behaviorist can provide personalized advice and a training plan tailored to your dog’s specific needs. Make sure the people you consult don’t recommend any punishment or aversive methods or tools, as that often makes matters worse in the long run.

  1. Desensitization and Counter-Conditioning:

Work with a professional to gradually expose your dog to their triggers in a controlled way, pairing the presence of the trigger with positive experiences like treats or play. When doing this, its imperative that you start at a distance your dog is comfortable and not reacting at. Over time you would slowly reduce the distance all while building up positive associations with the trigger and that environment.

  1. Teach Alternative Behaviors:

You can teach your dog to display an alternate behavior that is incompatible with barking, lunging or barking. I love Leslie McDevitt’s Look At That or Where Is? game, where you essentially teach your dog to report their triggers to you instead of barking or lunging.

I also find teaching dogs a flight cue very helpful in these situations. Here you essentially teach your dog to move away from the thing that’s causing them concern. With enough repetition, you’ll find your dog automatically moves away from their triggers, without you even needing to cue it!

  1. Avoid Triggers:

While working on training, do your best to avoid situations that set your dog off. This helps prevent reinforcing the reactive behavior. Here’s the thing. Every time your dog barks and lunges at their trigger, and the trigger moves away or you move them away, that barking and lunging behavior gets reinforced for them (if their objective was to create distance in the first place).

The more they practice this, the stronger that behavior will become. That’s why its in your best interest to avoid the reactions from taking place at all.

This means you need to get used to turning around and walking away from triggers or hiding behind cars, garbage cans, or slipping into side lanes. Paired with teaching them an alternate behavior from a comfortable distance, this ensures the new behavior takes root faster and replaces the old one.

  1. Use Proper Equipment:

If you’re walking your dog on a collar and a leash, and find your dog spinning out of control at the end of that leash, its best you invest in a good H or Y shape harness. This will ensure that if your dog does end up having a reaction, they aren’t hurting their sensitive necks, or choking themselves.

These types of harnesses balance the distribution of weight across a wider area, reducing the potential for serious injuries. Additionally, I’d probably lose the retractable leash, which can often be tougher to manage in these situations and reduce the amount of control you have.

  1. Learn how to manage a leash:

Paired with using the right equipment, its also important to know how to use that equipment. Tweaking your leash skills can be the difference between a dog that is calmly led away from a trigger, or you pulled to the ground as your dog pulls and lunges towards one.

I find the Finger or Thumb lock hold on the leash the most secure in terms of preventing the leash from running through my hands, preventing rope burn. Additionally making sure you’re holding it as close to your core as possible will ensure you have more control and balance as that’s where your center of gravity is.

  1. Meet your Dog’s needs:

The MOST under-rated aspect of managing your dog’s reactivity.

Ensuring you’re meeting all of your dog’s needs will help your behavior change plans be more successful. A dog that is fulfilled in other aspects of their lives, is likely to have more patience, or capacity for tolerance for stressful triggers. You can read more about it here.

 

Leash Reactivity FAQ

Is my dog aggressive or reactive?

They’re not the same thing. Aggression is a specific set of behaviors aimed at causing harm. Reactivity is a big emotional response to a trigger, and it can look aggressive (barking, lunging), but it’s usually driven by fear, frustration, or excitement. They’re looking to create distance rather than to harm. A dog that lunges and barks at another dog on leash but plays fine off leash is a good example of reactivity, not aggression. That said, reactivity left unmanaged can escalate, so the distinction matters mostly for how you approach the training.

Will my dog ever stop being reactive?

Honestly, it depends on the dog. Some dogs can become genuinely neutral to their triggers with consistent work. Others will always have a shorter fuse but can learn to recover faster and make better choices. The goal isn’t to create a dog that feels nothing. It’s to help them cope with what they feel via new skills so the walks stop being a disaster for both of you.

My dog won’t take treats outside. How do I train them?

If your dog refuses food near a trigger, they’re over threshold, meaning the situation is too intense for their brain to do anything except react. You need more distance. If they won’t eat anything at all outdoors, start your training indoors or in a low-stimulation area like an empty car park, then gradually build up. The treats aren’t the problem. The environment is.

 

In Conclusion

 

Urban living in Singapore can make leash reactivity more challenging. Tight spaces, unpredictable encounters, and constant stimulation can make it hard for dogs to stay calm on walks, but with some management, consistent training and patience, you can help your dog become more relaxed and manageable on walks.

Remember, leash reactivity is a behavior, not a personality trait. Even a highly leash reactive dog can learn to feel calmer and more confident on walks. With the right approach, you and your dog can enjoy peaceful, enjoyable walks together.

If your dog is barking and lunging on the leash and walks are starting to feel stressful, learn more about how I help guardians with leash reactive dogs. Getting clarity on what’s driving the behavior is the first step toward changing it.

A stronger than ever, joyous relationship with your best bud is within reach

I specialize in turning challenging dog behaviors into opportunities for growth and bonding. My personalized virtual training focuses on modern, science-based, holistic, positive reinforcement methods designed to get to the root of the problem by fostering clear communication and effective training.