
As humans, we have our arsenal of bug repellents to protect ourselves, but what about our furry companions? Our loyal dogs deserve the same shield against these bloodthirsty pests. That’s why we’ve embarked on a quest to find the best dog mosquito repellents.
Our beloved pets deserve a summer filled with joy and freedom, free from the itch and potential diseases caused by mosquito bites. So let’s make sure they can enjoy the sunny days without becoming a buffet for those tiny buzzing menaces!
Not sure which method to choose for protecting your furry friend? Be sure to check out our personal experience below.
Top 7 Dog Mosquito Repellents
Our list of the top seven dog mosquito repellents of the year includes:
Best Dog Mosquito Repellent Sprays – Our Top Picks
1. Cedarcide Extra-Strength Tickshield

Harnessing the power of nature, Cedarcide Extra-Strength Tickshield takes the lead as the top dog in our list of mosquito repellent sprays. Packed with a potent 20% concentration of cedarwood oil, this repellent can repel and even eliminate many insects, including mosquitoes, ticks, fleas, chiggers, mites, and more.
One of the standout features of Cedarcide Tickshield is its versatility. While it provides effective protection for our doggos, it can also be applied to children, adults, and even horses, making it a reliable option for the entire family.
However, it’s worth noting that this product is not suitable for dogs weighing less than 25 lbs., so be mindful of your pet’s weight before use.
Specifications:
- Protection against: Ticks, mosquitoes, fleas, chiggers, and more
- Size: 32 ounces
- Scent: Cedarwood
- Active ingredients: 20% cedarwood oil
- Who is it for: Humans, horses, and dogs over 25 lbs
Pros:
- Natural mosquito repellent
- Can be used on humans, dogs, and horses
- Spray is easy to apply
Cons:
- Cannot be used on dogs under 25 lbs
- Needs reapplication every 5 to 7 hours or after getting wet
Where to buy
2. Vet’s Best Mosquito Repellent for Dogs and Cats

As our runner-up bug spray, Vet’s Best Mosquito Repellent for Dogs and Cats deserves a spot in the limelight of dog mosquito repellent sprays. This plant-based formula offers a gentle yet effective shield against those relentless mosquitoes, making it an ideal option for pet owners seeking natural alternatives.
And here’s the best part — this versatile repellent isn’t just limited to our four-legged companions. It can also safeguard humans (2 years of age and older) and even cats from those irritating mosquito bites.
However, it’s important to note that the protection offered by Vet’s Best Mosquito Repellent doesn’t last as long as some other products. To maintain its efficacy, reapplication every two hours is recommended.
Specifications:
- Protection against: Mosquitoes
- Size: 8 ounces
- Scent: Lemongrass and citronella
- Active ingredients: 4% lemongrass oil, 2% geraniol oil
- Who is it for: Pets over 12 weeks of age and humans over 2 years of age
Pros:
- Plant-based formula
- Can also be used on humans and cats
- One of the most affordable options
Cons:
- Needs reapplication every 2 hours
- Might not be as effective as other synthetic active ingredients
Where to buy
3. Adams Plus Flea & Tick Spray For Dogs and Cats

For those who prefer synthetic products or seek an alternative to natural solutions, Adams Plus Flea & Tick Spray emerges as our top choice. While the power of nature is undeniable, synthetic options can provide safe and effective protection against mosquitoes and other pests.
Adams Plus Spray offers a comprehensive solution, as it not only repels mosquitoes but also targets fleas, flea eggs, and ticks. By breaking the flea life cycle, this spray helps prevent infestations and keeps your pets and home free from these bothersome parasites.
How long does it last? One of the standout features of Adams Plus Spray is its ability to prevent flea eggs from hatching for up to two months and to repel mosquitoes for up to two weeks.
Specifications:
- Protection against: Fleas, ticks, and mosquitoes
- Size: 16 ounces
- Scent: Unscented
- Active ingredients: 0.5% etofenprox, 0.27% (S)-Methoprene, 1.75% piperonyl butoxide
- Who is it for: Dogs 10 weeks of age and older, cats 12 weeks of age and older
Pros:
- Repellency against mosquitoes lasts for 2 weeks with one application
- Kills ticks, flea eggs, and larvae
- Can be used on cats and dogs
Cons:
- Repeated exposure to etofenprox can cause skin irritation.
- The scent may be unpleasant for some.
Where to buy
Best Dog Mosquito Repellent Collars – Our Top Picks
1. Irofol Flea and Tick Collars for Dogs

Flea and tick collars are a common sight in the world of pet ownership, but what sets the Irofol Flea and Tick Collars apart is their exceptional mosquito-repellent capabilities. While many collars focus solely on combating fleas and ticks, this innovative product goes the extra mile by effectively repelling mosquitoes.
How do dog collars work? The secret to the Irofol collar’s effectiveness lies in its slow-release mechanism. As the active ingredient is gradually transferred to your dog’s hair and skin, it forms a protective barrier that lasts for up to six months.
In addition, this repellent collar is water-resistant, which means your furry friend can happily splash around or enjoy a refreshing shower without compromising the collar’s efficacy.
Specifications:
- Protection against: Fleas, ticks, and mosquitoes
- Size: One size fits all
- Scent: Citronella
- Active ingredients: 4.5% citronella oil, 1.5% lemongrass oil, 1% clove oil
- Duration: 6 months
Pros:
- Plant-based product
- Water-resistant
- Extended protection for up to 6 months
Cons:
- Might not be as effective as other synthetic active ingredients
- Not ideal if your dog already has a tick or flea infestation
Where to buy
2. TevraPet Activate II Flea and Tick Collar for Dogs

If you’re not a fan of essential oils and would like a synthetic solution that effectively targets and eliminates pests, the TevraPet Activate II Flea and Tick Collar for Dogs is the option for you. This collar combines the power of synthetic ingredients to eradicate fleas and ticks and repel mosquitoes, ensuring your dog remains protected and comfortable.
With a waterproof design, the TevraPet Activate II collar remains effective even during outdoor adventures or when your dog decides to take an impromptu swim.
Its durable formulation ensures a lifespan of up to twelve months (six for each collar), offering continuous protection against not only mosquitoes but also fleas and ticks, making it a comprehensive defense against common pests.
Specifications:
- Protection against: Ticks, fleas, lice, and mosquitoes
- Size: One size fits all
- Scent: Unscented
- Active ingredients: 4% deltamethrin, 0.5% pyriproxyfen
- Duration: 12 months (six months for each collar)
Pros:
- Can be used when there’s already an infestation
- Water-resistant
- Lasts for up to 12 months
Cons:
- The scent may be unpleasant for some.
- Non-natural ingredients
Where to buy
Firsthand Experience: My “Set It and Forget It” Solution for Dogs

Holidays at my in-laws’ place are like a mini-vacation for my two furry friends. Picture this: a sprawling yard, far from the city hustle, where my dogs can run and leap to their hearts’ content. But, as with most paradises, there’s a catch — mosquitoes. Lots of them, thanks to the bushy surroundings that make the perfect breeding ground for these biters.
My preferred solution? Dog collars. Why? They’re long-lasting, hassle-free, and don’t leave any messy residues like sprays or lotions. Plus, they’re a triple threat, safeguarding against ticks and fleas too — common uninvited guests in such natural settings. I reserve the use of sprays for our hiking adventures.
A word of caution, though: Consistency is key. The effectiveness of these collars hinges on their being worn continuously, even indoors. It’s tempting to remove the collar once your dog is back inside, but these gadgets are designed for sustained release of repellent, and removing them may disrupt their effectiveness.
Best Dog Mosquito Repellent Drops/Topical Treatment – Our Top Picks
1. Advecta Ultra Flea And Tick Prevention For Dogs

When it comes to mosquito repellent drops, the Advecta Ultra Flea And Tick Prevention For Dogs stands out as a top-tier choice. This remarkable topical application not only targets fleas but also boasts impressive mosquito-repelling capabilities.
What sets it apart? This product breaks the flea life cycle eliminating all life stages, delivering results within just 12 hours of application. In addition, it contains permethrin, the same active ingredient used in treating mosquito nets and camping gear, that acts as a powerful mosquito repellent.
With Advecta Ultra Flea And Tick Prevention, you can provide your furry companion with unparalleled protection against fleas and mosquitoes, ensuring a comfortable and pest-free environment.
Specifications:
- Protection against: Ticks, fleas, biting flies, and mosquitoes
- Size: Available for small, medium, large, and extra-large dogs
- Scent: Unscented
- Active ingredients: 8.8% imidacloprid, 44% permethrin, and 0.44% pyriproxyfen
- Duration: Monthly supply for 4 months
Pros:
- Contains permethrin
- Not only repels but kills insects
- Waterproof
- Fragrance-free
Cons:
- Imidacloprid is toxic if ingested.
- Application might not be easy if your dog is fussy.
Where to buy
2. Hartz UltraGuard Pro Topical Flea & Tick Prevention for Dogs

The Hartz UltraGuard Pro Topical Prevention earns its place among the top contenders for effective mosquito repellents. This powerful solution not only kills fleas and ticks on contact but also repels mosquitoes before they have a chance to bite.
With its fast-acting formula, this product offers rapid relief. Hartz UltraGuard Pro begins to act as quickly as 15 minutes after application, providing immediate defense against fleas, ticks, and mosquitoes.
One application of Hartz UltraGuard Pro provides up to one month of protection, preventing reinfestation and allowing your pooch to enjoy an extended period of relief.
Specifications:
- Protection against: Fleas, ticks, and mosquitoes
- Size: Available for dogs weighing 5-14 lb, 15-30 lbs, 31-60 lbs, and 61-150 lbs
- Scent: Unscented
- Active ingredients: 55% etofenprox, 10% piperonyl butoxide, 1% MGK 264, 0.5% pyriproxyfen, 0.25% S-Methoprene
- Duration: Monthly supply for 6 months
Pros:
- Good option if your dog has an insect infestation
- Great for long-lasting protection
- Waterproof 48 hours after application
Cons:
- Repeated exposure to etofenprox can cause skin irritation.
- Application might not be easy if your dog is agitated.
Where to buy
Buyer’s Guide
We understand that selecting the right mosquito repellent for your furry companion can be a daunting task. After all, as pet parents, we want nothing but the best for our cherished pets. With the myriad of options available, it’s easy to feel overwhelmed.
But fret not! In this Buyer’s Guide, we will simplify the process and help you make an informed decision to keep those pesky mosquitoes at bay.
Protection
While mosquitoes may be a primary concern, it’s equally important to safeguard your furry friend against other common pests like fleas and ticks.
Fortunately, some products on the market offer multi-purpose protection, targeting not only mosquitoes but also fleas and ticks. These products are often marketed as repellents or treatments for all three pests. However, it’s crucial to carefully read the product label to ensure that it explicitly mentions the ability to repel or kill mosquitoes.
Application Method
When it comes to applying mosquito repellents for your dog, there are three main methods to consider: sprays, collars, and topical drops. Each of these options has its own set of pros and cons:
- Sprays: Offer versatility and ease of application. However, some dogs may not enjoy the sensation or sound of sprays, making it a less favorable option for them. If your dog tends to be skittish or dislikes being sprayed, you may need to explore alternative methods.
- Collars: Provide a convenient and long-lasting solution. They are typically worn around your dog’s neck and continuously release active ingredients to repel pests. Ideal for dogs who dislike sprays or have sensitive skin that may react to topical applications. However, some dogs may find collars uncomfortable or may resist wearing them.
- Topical Drops: Repel and kill pests for one month per application. They are applied directly to your dog’s skin after parting their hair, from their neck to their tail. However, applying topical drops requires your dog to stay still during the application process, which can be challenging for dogs who are fidgety or uncooperative.
Duration
Different types of repellents offer varying durations of protection. Here’s a breakdown of the typical durations for each application method:
- Sprays: Typically last between 2 and 7 hours
- Collars: Between 4 and 8 months
- Topical Drops: Usually last for approximately 1 month before needing reapplication
Your Dog’s Lifestyle
It’s crucial to take your dog’s lifestyle into account when choosing a mosquito repellent. Understanding how your dog spends their time outdoors will help determine the level of protection needed.
If your dog is primarily indoors or spends only short periods outside, a repellent spray may suffice. Sprays provide immediate protection and can be easily applied before outdoor activities or walks.
However, if your dog enjoys outdoor adventures such as hiking, camping, or extended outdoor playtime, investing in long-lasting protection becomes essential. In such cases, collars or topical drops that provide extended protection are recommended. Collars, especially water-resistant ones, are ideal for dogs that love swimming or frequently encounter wet environments.
Safety
Different products may have specific age requirements or weight restrictions, so it is important to check these details on the label before making a purchase.
Some repellents may not be appropriate for puppies or small-breed dogs, while others may have limitations based on the weight of your dog. Adhering to these guidelines will help safeguard your dog’s well-being and ensure optimal effectiveness.
Warning: Dog mosquito repellents should never be used on cats. And mosquito repellents for humans are not pet-safe and should never be used on dogs or cats.
FAQ About Dog Mosquito Repellents
Yes, besides causing annoying itches, mosquito bites can pose health risks to dogs. One of the most significant concerns is the transmission of heartworm disease. Mosquitoes can carry and transmit heartworm larvae, leading to a parasitic infection in dogs.
Heartworm disease affects the heart, lungs, liver, and kidneys; if left untreated, it can be life-threatening. Symptoms may include coughing, shortness of breath, and anemia in advanced stages. Dogs with heartworms can remain asymptomatic for years, making regular heartworm preventative measures crucial.
Mosquitoes can also transmit other diseases to dogs, although they are less common. These include West Nile Virus and Eastern Equine Encephalitis virus.
No, you should never use DEET products or any other human insect repellents on your dog, such as picaridin or oil of lemon eucalyptus. According to the American Society for the Prevention of Cruelty to Animals (ASPCA), DEET is formulated specifically for human use and can cause neurological problems like disorientation, tremors, and seizures in pets.
Yes, mosquitoes can bite through fur. While fur provides some level of protection, mosquitoes are still capable of penetrating it to reach the skin, just like they can bite through human clothing.
Mosquitoes typically target areas where the fur is thinner or where your dog’s skin is more exposed. This includes areas such as the ears, nose, mouth, and sometimes the belly, which may have less fur coverage. Therefore, relying solely on fur as a deterrent is not sufficient to prevent mosquito bites.
Choose the Best Mosquito Repellent for Your Dog
In our quest for what’s best for our dogs, ensuring a mosquito-free life is paramount. If you have any doubts or concerns about choosing the right mosquito repellent for your dog, seek guidance from your veterinarian.
In addition, to help minimize the mosquito presence around your home, it’s essential to eliminate standing water. But if you’re facing a persistent mosquito problem, consider calling a professional. Pest Gnome connects you with top pest control experts in your area, ensuring a thorough evaluation and treatment of your property.
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