Fireworks and Stress: Help Your Pet Feel Safe

Does Your Pet Panic During Fireworks?

Every year, as fireworks season approaches, veterinary clinics begin hearing the same concerns from pet parents. In the United States, as the "practice rounds" of fireworks become more frequent in late June, their pets start to panic. At the very first boom, dogs start pacing, panting, vocalizing, trembling, hiding in closets, exhibiting aggression, trying to escape yards, and ignoring food. Kitties disappear under furniture and in closets.

For some pets, fireworks are no big deal. But studies show that noise sensitivity is the most common anxiety-related trait in dogs, affecting approximately 32% of pet dogs in a large-scale study of over 13,700 animals.¹ Another survey found that 52% of dogs were at least partially affected by firework fears, with the majority developing their fear in the first year of life ². For these unlucky ones, fireworks are a full-body stress event.

Dogs hear a much broader range of frequencies than humans and can detect sounds from much greater distances. Add sudden flashes of light, vibrations, unusual smells, and unpredictable bursts of activity, and fireworks become a perfect recipe for sensory overload. The 'grand finale' booms trigger a true neurologic stress response. For some pets, this leads to escalating anxiety over time if not properly addressed.

Certain pets are at higher risk. Mixed-breed dogs appear most affected by firework fears, and health problems and age are significant predictors of severity. Firework fears are also highly correlated with fears of gunshots and thunder, suggesting a shared underlying vulnerability, so if your pet startles at thunderstorms, fireworks season deserves extra preparation.³

Why Fireworks Feel So Intense to Pets

Fear isn't behavioral disobedience. When a pet perceives danger, the body activates the sympathetic nervous system. Heart rate rises. Stress hormones increase. Blood flow shifts away from digestion and toward survival mechanisms. Muscles tense. Sleep becomes disrupted. If this process repeats frequently, the nervous system can remain heightened long after the event ends. A dog may appear calm externally, while still experiencing a substantial internal stress response. Research using heart rate variability monitoring has confirmed that sound-sensitive dogs show exaggerated autonomic responses, including a marked shift toward sympathetic nervous system dominance, even in controlled laboratory settings.

Researchers studying canine noise aversion and anxiety have found a correlation between noise sensitivity, generalized anxiety, and broader behavioral concerns. It may also be associated with undiagnosed pain. Research shows that joint and muscle pain can be exacerbated by additional strain when pets tense up during frightening situations. Helping pets through fireworks isn't simply about symptoms. It's about helping restore emotional and physiological regulation.

Preparation Begins Before the Fireworks

Don't wait until the fireworks start. An overwhelmed nervous system is much harder to calm than one that has been supported proactively. If your pet has historically struggled, begin preparing a week or two beforehand.

Focus on lowering overall stress load throughout the body. Protect their sleep routine by maintaining consistent sleep and wake times. Support their digestive health with fresh, nourishing, species-appropriate whole foods. Increase opportunities for calm, enriching activities. Protect relaxing moments of downtime.

Animals living in a constant state of stimulation often have less reserve when faced with stressful events. Dogs with less socialization during puppyhood, less frequent participation in activities or training, and those living in more urban environments tend to show higher levels of non-social fearfulness, including noise sensitivity.⁴ Think of nervous system resilience as a savings account. The more deposits you make in advance, the more capacity your pet has when fireworks or other stressors arise.

A Note on Prevention: Start Young

If you have a puppy or a dog who hasn't yet developed firework fears, you have a powerful window of opportunity. Research shows that training puppies or non-fearful adults to associate firework noises with positive stimuli, treats, play, calm praise, is highly effective in preventing later development of firework fears. Since the majority of dogs develop their fear of fireworks in the first year of life, early positive-association work is one of the most impactful investments you can make in your pet's long-term emotional resilience. Even playing recorded firework sounds at low volume during happy moments (mealtime, play sessions) can help build a positive association before fear ever takes root.

Create a Safe Space Instead of Forcing Exposure

Many pets instinctively seek enclosed areas when frightened. Rather than encouraging them to "face their fears," support their natural coping behaviors. For dogs, this may mean creating a quiet interior room with soft bedding, closed curtains, calming music, and easy access to water. If your dog already enjoys a crate, covering part of it can increase their sense of security. If not, never force it.

For cats, quiet closets, elevated hideouts, and low-traffic rooms often work best. Place familiar blankets nearby and reduce environmental stimulation. Your goal is to decrease their anxiety and ensure their safety, not isolate them. A calm, human presence often helps more than repeated reassurance or anxious attention. Research confirms that dog owners serve as a "safe haven", similar to a parent for a child, and that their presence significantly buffers the heart rate increase dogs experience during threatening encounters.⁵

Consider adding a dog-appeasing pheromone (DAP) diffuser to your pet's safe space. In a placebo-controlled study, DAP collars significantly reduced both global and active fear and anxiety scores during thunderstorm simulations.⁶ An open clinical trial specifically evaluating DAP diffusers during fireworks found significant improvements in 9 of 14 behavioral signs of fear.⁷ These synthetic pheromones mimic the calming signals nursing mothers naturally produce, and they're available as collars, diffusers, and sprays — making them an easy, non-invasive addition to your layered support plan.

Sound Therapy and Routine Make a Big Difference

Environmental support is an overlooked tool in integrative veterinary medicine. Predictability lowers threat perception. Begin masking outdoor noise before fireworks begin. Implement white noise with fans or sound machines. Close windows early. Reschedule evening walks to midday. Feed earlier in the day to avoid a decrease in appetite, later.

When it comes to music, the science is more nuanced than simply "play classical." A study of 38 kenneled dogs found that while all music genres increased lying behavior and reduced standing, soft rock and reggae actually produced the greatest reductions in heart rate variability stress markers, even more than classical music.⁸ Another study found that dogs habituated to classical music within as little as two days, suggesting that varying the genre or playlist may sustain the calming effect longer.⁹ So mix it up: try a rotation of soft rock, reggae, and classical to keep the benefit fresh. Play music at a slightly louder volume than normal to help drown out outside noise.

Small adjustments reduce the number of stress signals reaching the nervous system. This obviously won't eliminate fear, but it often lowers the intensity and shortens recovery time.

When Natural Support Isn't Enough: Veterinary Medications

I believe in starting with the gentlest, most supportive approaches first. But I also believe in being honest: for some pets, natural remedies alone are not enough to prevent true panic attacks. When a dog is so terrified that they're injuring themselves trying to escape, refusing food for days, or experiencing prolonged physiologic stress, medication isn't a failure; it's a compassionate, sometimes necessary intervention.

A double-blind, placebo-controlled crossover trial found that a single oral dose of gabapentin (25–30 mg/kg), given at least 90 minutes before a thunderstorm, significantly reduced fear responses in dogs with storm phobia, with rare adverse effects (mostly mild ataxia).¹⁰ Dexmedetomidine oromucosal gel (marketed as Sileo), tested in 182 dogs during New Year's Eve fireworks in a randomized, double-blind, placebo-controlled study, showed that 72% of treated dogs had a good or excellent response versus 37% on placebo (P < 0.0001).¹¹ Even more encouraging, a follow-up study found that repeated use of dexmedetomidine gel actually decreased the need for subsequent doses over time, meaning the medication may help break the cycle of escalating fear rather than creating dependence. ¹²

If your pet's fear of fireworks is severe, please talk to your veterinarian well before fireworks season begins. A proactive medication plan, combined with the environmental and nutritional strategies in this article, gives your pet the best chance of getting through the season safely.

Natural Remedies That May Help Reduce Fireworks Fear

Natural calming tools won't make a severely fearful pet suddenly love fireworks. Still, when started early, they can improve resilience, shorten recovery time, and reduce the intensity of stress responses.

My approach is layered. I like to combine environmental support, nervous system regulation, digestive support, nutrition, and targeted natural therapies based on the individual animal.

Keep in mind that "natural" does not automatically mean safe for every pet. Cats, seniors, puppies, pets receiving medications, and animals with underlying medical conditions require additional caution.

L-Theanine: Gentle Support for Relaxation

L-theanine is an amino acid naturally found in tea leaves that has been studied for its calming effects through modulation of neurotransmitters involved in stress regulation. It crosses the blood-brain barrier and exerts anxiolytic effects by upregulating inhibitory neurotransmitters such as GABA, while also modulating serotonin and dopamine in specific brain regions.¹³ Animal studies have shown that repeated L-theanine administration significantly reduces anxiety-like behavior.¹⁴

Unlike sedatives, L-theanine does not typically cause drowsiness. Instead, many pet parents report improved emotional flexibility and an increased ability to settle. In animal models, L-theanine has been shown to reduce stress-induced activation of the hypothalamic-pituitary-adrenal (HPA) axis and lower cortisol levels, while enhancing GABA-mediated inhibition in the central nervous system.¹⁵

Because benefits may build over time, begin support several days before anticipated fireworks.

Ashwagandha: Adaptogenic Support for Stress Resilience

Ashwagandha is an adaptogenic botanical traditionally used to support balanced stress responses. Adaptogens don't suppress the nervous system. Their goal is to support more balanced physiologic responses during periods of increased demand.

The science behind ashwagandha's stress-relieving effects is growing. A meta-analysis of 23 randomized, placebo-controlled trials (encompassing human 1,706 participants) found that ashwagandha supplementation significantly reduced cortisol levels and increased serotonin,¹⁶ and integrative vets find it works similarly in pets. These effects appear to involve GABAergic and serotonergic pathways, as well as modulation of the sympathetic-adrenal-medullary axis.¹⁷

For some dogs, adaptogenic support appears especially useful when fireworks occur repeatedly over several days.

Chamomile: Comfort for the Gut and Nervous System

Stress and digestion are connected. Chamomile has a long history of use for supporting relaxation and digestive comfort. During periods of stress, some pets experience decreased appetite, loose stools, or stomach tension.

The science supports chamomile's traditional reputation. A randomized, double-blind, placebo-controlled trial in humans with generalized anxiety disorder found that chamomile extract therapy produced a significantly greater reduction in anxiety scores compared to placebo (P = 0.047),¹⁸ with holistic vets finding the same results in dogs. Animal studies have identified multiple mechanisms behind chamomile's calming effects, including antispasmodic and anxiolytic properties, as well as potent anti-inflammatory action.¹⁹ Recent research has even identified a novel mechanism: chamomile contains compounds that inhibit the enzyme fatty acid amide hydrolase (FAAH), which modulates the endocannabinoid system — a key player in emotional homeostasis — and showed dose-dependent anxiolytic activity in animal models.²⁰

Bacopa: Cognitive and Emotional Support

Bacopa is an herb traditionally used for nervous system support and cognitive balance.

While fireworks are an acute stressor, many anxious pets benefit from therapies that support longer-term neurologic resilience. Bacopa is more of a foundational support²¹ than an emergency option, so start this herb a week prior to the chaos.

Valerian and Passiflora: Calming Botanicals with Emerging Canine Evidence

One of the more interesting studies on fireworks evaluated a combination of tryptophan, valerian, and passiflora. Dogs receiving the supplement showed greater reductions in fear of fireworks and improved cortisol recovery compared with placebo, when combined with environmental support and behavior recommendations.

The pharmacology behind these botanicals is well-studied. Valerian's active compound, valerenic acid, allosterically modulates GABA-A receptors — the same receptor system targeted by benzodiazepine drugs — producing anxiolytic effects without sedation or muscle relaxation. In animal studies, valerenic acid reduced anxiety-like behavior as effectively as diazepam at appropriate doses.²² Passiflora species have similarly demonstrated anxiolytic effects in animal models, reducing anxiety-related behaviors without impairing memory — an advantage over conventional benzodiazepines, which can disrupt memory processes.²³ Researchers measured both outward behavior and physiologic stress. A calmer body, not simply quieter behavior, is the goal.

Tryptophan: Supporting Serotonin Pathways

Tryptophan is an amino acid involved in serotonin production. Serotonin influences emotional regulation, sleep quality, and recovery from stress. Unlike fast-acting interventions, tryptophan-based approaches may require several weeks before full effects become noticeable.

Research directly in dogs supports this approach. A study in the Journal of the American Veterinary Medical Association found that tryptophan supplementation significantly reduced territorial aggression scores in dogs fed a low-protein diet, and that dogs with dominance aggression showed the highest behavioral scores on unsupplemented high-protein diets.²⁴ A study in sled dogs found that tryptophan supplementation was associated with a significant decrease in agonistic (aggressive/confrontational) behaviors over a 12-week training period, without affecting overall activity levels²⁵. These effects are believed to be mediated by increased brain serotonin synthesis, since tryptophan is the rate-limiting precursor of serotonin.

A Word About CBD

Many pet parents ask about CBD for fireworks anxiety, and it's worth addressing directly. A national survey found that 67.4% of pet owners who use CBD cite anxiety and stress as the primary reason.²⁶ While CBD has been perceived as safe and effective by many owners, the scientific evidence for noise-specific anxiety in dogs is still limited. A systematic review of randomized clinical trials found some evidence supporting CBD for pain in dogs with osteoarthritis, but only limited evidence for behavioral concerns.

Probiotic Support for the Gut–Brain Axis

Your pet's emotional health and their digestive health aren't separate topics. Certain bacterial strains appear capable of influencing stress signaling and neurotransmitter pathways. The digestive tract and brain communicate continuously through a network involving: the vagus nerve, immune signaling, microbial metabolites, hormone regulation, and neurotransmitter activity. This communication system is known as the gut–brain axis.

The science behind this connection is compelling. A systematic review and meta-analysis of 22 preclinical studies (743 animals) found that probiotics significantly reduced anxiety-like behavior overall (Hedges' g = −0.47, P = 0.004), with Lactobacillus species showing particular promise.²⁷  The gut-brain axis links your pet's gastrointestinal tract and their central nervous system. Changes in the microbiome can influence signaling pathways involved in behavior, sleep, stress response, and resilience.

A recent study tested a new probiotic strain, Lactiplantibacillus plantarum LP815™, in hopes of positively influencing dogs' behavior²⁸. In this randomized, placebo-controlled study, 40 dogs received either the novel probiotic strain Lactiplantibacillus plantarum LP815™ (28 dogs) or a maltodextrin placebo (12 dogs) daily for four weeks to evaluate whether targeted microbiome support could influence behavior through the gut–brain axis.

The study on LP815™ showed that this strain can elevate GABA production within the gut, which supports calmer behavior, improved stress responses, and a more stable mood in dogs. By lowering cortisol and supporting vagal nerve signaling, it can reduce stress-induced diarrhea, anxiety-related GI symptoms, and calm both the gut and the brain simultaneously.

When the gut produces more GABA, it signals the nervous system to shift away from a heightened fight-or-flight state. Dogs taking LP815™ in preliminary trials showed improvements in restlessness, sound sensitivity, and tension during predictable stress events such as fireworks.

Nutrition Can Positively Influence Emotional Resilience

Food does not cause fireworks anxiety. But nutrition influences inflammatory signaling and nervous system stability. During stressful seasons, I encourage feeding patterns that emphasize moisture-rich, species-appropriate nutrition and consistent meal timing.

Stable blood sugar supports more stable stress responses. I also evaluate omega-3 intake because EPA and DHA participate in neurologic and inflammatory pathways. A review of omega-3 supplementation studies found that EPA and DHA at appropriate doses appear effective for behavioral disorders, and that DHA plays an important structural role in brain development. At the same time, dietary supply of omega-3 and omega-6 fatty acids can modify aspects of the dopaminergic and serotonergic systems that influence cognition and behavior.

Avoid introducing highly processed treats or making dramatic diet changes right before expected periods of stress. Your pet's body should be focused on regulation, not adaptation.

Movement and Enrichment Also Help Regulate the Nervous System

Exercise is not a direct cure for fear and anxiety, but movement changes physiology for the better. More frequent walks have been associated with lower reported anxiety in dogs.²⁹ And

Go for a long sniff walk earlier in the day.

Encourage decompression activities.

Offer frozen food, toys, food puzzles, and lick mats.

Use compression garments if your pet likes them.

Consider ear protection if your dog allows it.

The Power of the "Sniffari": Why Nose Work Is Brain Work

One of the simplest tools for building stress resilience is something your dog already wants to do: sniff. A "sniffari", a slow, leash-loose walk where your dog leads with their nose, isn't just a stroll. It's a full-brain workout.

Dogs experience the world nose-first. Their olfactory system has direct neural connections not just to scent-processing areas, but to the limbic system (which governs emotion), the occipital lobe, and even the corticospinal tract, an extensive white matter network that researchers described as the first documentation of such broad olfactory connections in any species.³⁰ Sniffing and searching for odors are natural, species-typical behaviors considered essential for canine welfare.³¹

Research shows that olfactory experience physically remodels the brain. Prolonged exposure to varied scents produced a significant increase in brain-derived neurotrophic factor (BDNF), sometimes called "fertilizer for the brain."³² BDNF supports the survival of existing neurons, encourages the growth of new ones, and strengthens the connections between them. It's deeply involved in learning, memory, emotional regulation, and stress recovery.

Environmental enrichment, including olfactory stimulation, upregulates BDNF in the hippocampus and prefrontal cortex, two brain regions critical for emotional regulation. A systematic review confirmed that enriched environments increase hippocampal BDNF and promote neurogenesis, the birth of new brain cells. When exercise is combined with enrichment, the effect on BDNF is even greater than either alone.³³

What does this mean during fireworks season? A nervous system with higher BDNF levels is more resilient. It recovers faster from stress. It adapts more flexibly. Environmental enrichment has been shown to protect against stress-induced anxiety by reducing glucocorticoid receptor activation in the amygdala, the brain's fear center.³⁴ Even exposure to plant-derived scents has been shown to completely block stress-induced rises in corticosterone and oxidative stress markers in animal models.³⁵

So before fireworks season, invest in sniffaris. Let your dog explore a new trail, scatter treats in the grass for a "find it" game, or set up a simple nosework puzzle at home. You're not just keeping them busy, you're literally building a more resilient brain, one sniff at a time.

My Fourth of July Checklist

One week before:

Support sleep, nutrition, microbiome health, and routine. If your pet has a severe noise phobia, contact your veterinarian now to discuss a medication plan; don't wait until the day of.

Three days before:

Prepare safe rooms and spaces and begin reducing stimulation. Plug in DAP diffusers. Start sound masking with varied playlists (try soft rock, reggae, and classical in rotation).

Day of:

Exercise early, feed early, close windows, and gradually increase the sound masking volume.

Check gates, microchip registration, and ID tags; even pets who have never escaped might bolt during fireworks. Preparation prevents tragedy.

During fireworks:

Stay calm, allow choice, support recovery. If your veterinarian has prescribed medication, administer it according to their instructions. Gabapentin needs at least 90 minutes to take effect, while dexmedetomidine gel can be given when signs first appear.

The next day:

Prioritize rest and decompression. Walk your yard and clear any fireworks debris before letting your pet outside. Ingested fireworks chemicals can cause gastrointestinal upset and, in rare cases, more serious toxicity from compounds like barium and chlorate.

It's a myth that comforting reinforces fear. Fear is an emotional state, not a learned behavior. Research confirms that dogs actively seek eye contact with their owners when displaying stress-related behaviors, a form of social referencing, and that the owner's presence functions as a genuine stress buffer, significantly reducing the physiological fear response.

You are not creating anxiety by offering support. Your pet doesn't need to be brave. Your pet needs to feel safe.

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About Karen Shaw Becker, DVM, CVH, CVA, CCRT

Veterinarian Dr. Karen Shaw Becker believes biologically appropriate food and an animal's immediate environment are essential in determining health, vitality, and lifespan. She has spent her career as a wildlife and exotic animal veterinarian and small animal clinician, empowering animal guardians to make intentional lifestyle decisions to enhance the well-being of their animals.