Are you worried about your dog contracting heartworm from pesky mosquito bites?
Check out our list of the best mosquito repellents for dogs.
After extensive research and from our experience, we have found the best mosquito repellent for dogs to help prevent heartworm is Ceva VECTRA 3D
Read on to discover why this product stands out above the rest.
We at Animalhackers are veterinarians and pet lovers ready to back you up. With so many options on the market, making the right choice for your pup can be overwhelming when you are not an expert.
By disrupting the biology of pests like mosquitoes, fleas, and ticks, through high-tech product formulation, top products can significantly protect our beloved pets from potential health risks like heartworm or Lyme disease and ensure effective and safe treatments and prevention.
Let’s check what we found exceptional about Ceva VECTRA 3D
Summary
OVERALL MOSQUITO REPELLENTS
Best Overall
✅ Broad-spectrum protection
✅ Prevents mosquitoes, fleas, and ticks
✅ One month protection
✅ Waterproof
✅ Quick-drying and non-greasy
Second best
✅ Broad-spectrum protection
✅ Prevents mosquitoes, fleas, and ticks
✅ One month protection
✅ Waterproof
✅ Convenient to use
Best Overall (Surface application)
Our winner is:
For your convenience, this recommended product comes in different presentations according to your dog’s size (weight).
You can check several available presentations.
If in doubt, consult your Veterinarian.
Second Best Overall (Surface application)
Our second-place winner is:
For your convenience, this recommended product comes in different presentations according to your dog’s size (weight).
You can check available presentations.
If in doubt, consult your veterinarian.
BEST NATURAL MOSQUITO REPELENTS
For surface application
✅ Longer reapplication period
✅ Effective against mosquitoes
✅ High-quality ingredients
✅ USA-made
Environment (outdoors)
✅ Natural, safer alternative
✅ Easy with garden hose
✅ Fresh scent, pet-friendly
✅ USA-made
Environment (indoors)
✅ Highly effective formula
✅ Kills home fleas
✅ Natural pleasant scent
✅ USA-made
Best mosquito repellent, natural category (Surface application)
Our pick is:
Best Natural repellent (For outdoor environment)
We recommend:
TropiClean Natural Flea & Tick Yard Spray
Best Natural repellent (for indoor environments)
Our best choice is:
Vet’s Best Flea and Tick Home Spray
Benchmarks
Ultimately, our final choice was based on several criteria like:
- Spectrum (whether it kills or repels other bugs and what stages of the biological cycle)
- Possible side effects, Action (whether it kills or just repels mosquitoes)
- Customer opinions
- Manufacturer reputation
- Number of applications needed
- Time to efficacy
- Duration of effect
We understand that you want to give your dog the best possible protection against mosquito-borne illnesses. Therefore, we recommend you read on to find out why our recommended products met our selection criteria to be deemed the best option for keeping your furry friend safe from annoying mosquitoes.
So, we’ve included reviews of the best products for the categories of mosquito repellents apt for dogs:
Product Mini-Reviews

Best Overall
As veterinary professionals, we highly recommend the Ceva VECTRA 3D. This product is one of the best repellents for mosquitoes and is highly effective against fleas, ticks, lice, mites (excluding mange mites), and biting and sandflies.
One of the key features of this product is its ability to stop all flea stages from developing, providing a highly effective preventative solution to flea infestations. Additionally, each tube protects your dog for one month, making it highly convenient for busy pet owners who want a product they can rely on.
Another benefit of Ceva VECTRA 3D is its quick-drying, non-greasy, and waterproof formula. So, dogs can enjoy their outdoor activities without the product washing off or losing effectiveness due to rain or other environmental factors.
Ceva VECTRA 3D repels and kills mosquitoes that may transmit vector-borne diseases like heartworm, making it a highly effective solution for dogs who spend time in areas with a high mosquito population. It repels or kills three species of mosquitoes (Culex, Ochlerotatus, and Aedes)
The product also begins reducing flea feeding in just 5 minutes and kills fleas that may cause flea dermatitis, making it an excellent solution for dogs with skin allergies or sensitivities. Furthermore, Ceva VECTRA 3D is highly effective against various ticks, including Brown, American dog, Deer, and Gulf Coast ticks.
It is important to note that this product is for use on dogs only and should not be used on cats, as it may be fatal. Additionally, very few customers have reported that the product is ineffective for fleas, but this may be due to high flea overload or ingredient resistance in some geographical regions.
In summary, Ceva VECTRA 3D is an excellent choice for dog owners looking for a highly effective, long-lasting, and convenient mosquito, flea, and tick preventative solution. Its ability to stop all flea stages from developing, quick-drying, and waterproof formula, and its effectiveness against a range of ticks and mosquitoes make it a highly recommended product for dogs of all ages and sizes.
Pros:
- Highly effective against fleas, ticks, mosquitoes, lice, mites (excluding mange mites), and biting and sandflies
- Stops all flea stages from developing
- Protects for one month
- Quick-drying, non-greasy, and waterproof formula
- Reduces flea feeding in just 5 minutes and kills fleas that may cause flea dermatitis
- Effective against several tick species
- Repels and kills mosquitoes that may transmit vector-borne disease
Cons
- Not suitable for use on cats
- It may not be effective in areas with high flea overload or resistance to the ingredients
Second Best
FRONTLINE Shield for Dogs came second in our round.
This product is also a topical treatment that is easy to apply and protects your dog from mosquitoes that may transmit heartworm disease, biting and sandflies, fleas, ticks, lice, and mites (excluding mange mites).
It is suitable for dogs of all ages.
Besides mosquitoes, FRONTLINE Shield for Dogs starts killing fleas in just 5 minutes and ticks in 1 hour. This way, your dog will be protected from these pesky pests almost immediately after application (before they may have time to transmit disease).
Another great feature of FRONTLINE Shield is that it also protects your dog for a full 30 days. This means you don’t have to worry about frequently reapplying the product. It is also waterproof, which means it will continue to be effective even if your dog gets wet.
One thing to note is that FRONTLINE Shield should not be used on cats as it may be fatal. Additionally, while this product is generally well-liked by customers, some have mentioned that it can leave the fur greasy, especially at the application point.
Overall, FRONTLINE Shield for Dogs Flea & Tick Treatment is an effective and convenient way to protect your dog from fleas, ticks, lice, mites, biting, sandflies, and mosquitoes. It is easy to use, waterproof and protects your dog for a full 30 days. However, it is crucial to remember not to use this product on cats.
Pros
- Repels mosquitoes that may transmit heartworm disease
- Starts killing fleas in 5 minutes and ticks in 1 hour
- Protects for one month
- Convenient to use and easy to apply
- Waterproof
Cons
- Not suitable for use on cats
- May leave fur greasy
Best in the Natural category (for surface application)
If you want a natural solution to repel mosquitoes, Vet’s Best Mosquito Repellent for Dogs and Cats is a great option.
To begin with, it is a DEET-free repellent made with a unique blend of certified natural oils, including Lemongrass Oil and Geraniol from Citronella plants. These ingredients work together to create an unpleasant scent for mosquitoes, effectively repelling them from your furry friends.
One of the key benefits of this product is its natural composition. As a result, pet owners can use it with confidence, knowing that they are not exposing their pets to harmful chemicals. Additionally, the product can be used on both dogs and cats over 12 weeks of age, making it a versatile option for households with multiple pets.
Another advantage of Vet’s Best Mosquito Repellent is that it can be reapplied every two hours or as needed for optimal protection. Therefore, pet owners can feel confident that their pets are protected against mosquitoes throughout the day, even during peak mosquito activity.
While there are mixed opinions about the product’s smell, it is generally agreed upon that it is highly effective at repelling mosquitoes. Additionally, the product is proudly made in the USA with quality domestic and internationally sourced ingredients.
Overall, Vet’s Best Mosquito Repellent for Dogs and Cats is an excellent choice for pet owners looking for a natural and safe way to repel mosquitoes. In addition, its effectiveness, versatility, and natural composition make it an ideal product for households with furry friends.
Pros
- Natural composition, safe for pets
- Can be used on dogs and cats
- Can be reapplied as needed for optimal protection
- Highly effective at repelling mosquitoes
- Made in the USA with quality ingredients
Cons
- Some customers may not like the scent of the product
Best in the Natural category on environment (outdoors)
TropiClean Natural Flea & Tick Yard Spray is a natural pest control treatment for yards, which repels and kills not only mosquitoes but also fleas, ticks, larvae, and eggs by contact, ensuring that your furry friends stay safe and healthy while they play outside (of course, humans get benefited as well).
One of the most significant advantages of TropiClean Natural Flea & Tick Yard Spray is that it contains natural active ingredients, such as clove oil, lemongrass oil, cedarwood oil, and cinnamon oil, making it a healthier and safer alternative to synthetic products made with pyrethrins or permethrins. In addition, the essential oils help effectively kill and repel fleas, ticks, larvae, and eggs in your lawn and yard, providing adequate outdoor pest protection for your pets.
The product has a light, fresh scent of clove, lemongrass, cedarwood, and cinnamon oils, which act as powerful pest repellents and leave a pleasant citrus aroma, making it a more appealing option for pet owners and their dogs.
Moreover, the specialty nozzle design of TropiClean Natural Flea & Tick Yard Spray makes it easy to attach to your garden hose, simplifying the process of applying it to the whole yard. Additionally, the product is easy to use, and customers have praised its scent, making it an excellent option for pet owners looking for natural solutions to pests in their yards.
However, it’s essential to note that while TropiClean Natural Flea & Tick Yard Spray is safe for routine use around dogs and puppies 12 weeks and older, it is for outdoor use only. It’s also crucial to follow the product’s instructions carefully, ensuring the nozzle is turned on before spraying and applying treatment to your lawn or yard using an even sweeping motion.
In summary, TropiClean Natural Flea & Tick Yard Spray is a natural pest control treatment for yards, providing outdoor pest protection for your pets. Its natural active ingredients, specialty nozzle design, and easy application make it a more appealing option for pet owners.
Pros
- Uses natural active ingredients, making it a healthier and safer alternative to synthetic products
- Specialty nozzle design makes it easy to attach to your garden hose and apply it to the whole yard
- Provides outdoor pest protection for pets, repelling and killing fleas, ticks, larvae, eggs, and mosquitoes by contact
- Has a light, fresh scent of essential oils, making it a more appealing option for pet owners
- Made in the USA
Cons
- For outdoor use only
Best in the Natural category on environment (indoors)
When it comes to protecting our furry friends from nasty mosquitoes, fleas, and ticks, Vet’s Best Flea and Tick Home Spray is a top-rated solution. The active ingredients, peppermint oil and eugenol (from clove plants), make this a plant-based formula effective in treating fleas in dogs’ home environments.
One of the best features of this spray is its ease of use. It can be applied directly onto furniture, carpets, and other surfaces in the home, making it a simple and convenient solution for pet owners. Some customers point out that it doesn’t stain the applied surfaces, but you better make a test first just to be sure. The scent of the spray is also well-rated by customers, with many finding it pleasant and refreshing. However, some have found the smell strong, so it may not be suitable for those sensitive to strong odors.
In terms of effectiveness, this product really shines. It is highly effective at treating fleas in the home, making it an excellent option for those dealing with flea infestations. However, it should be noted that this product is not suitable for use around cats.
One downside of this product is that some dogs may not like the smell, although they may tolerate it when applied to furniture and other surfaces at home. Additionally, while the value for money is generally rated positively, some customers have noted that the comfort level of their pets could be improved.
Overall, Vet’s Best Flea and Tick Home Spray is an excellent option for pet owners looking for a plant-based solution to repel mosquitoes and treat fleas in the home. Its easy application, pleasant scent, and effectiveness make it a top-rated product among customers.
Pros
- Plant-based formula with active ingredients of peppermint oil and eugenol
- Highly effective at treating fleas in the home
- Easy to use
- Pleasant scent for most customers
- Non-sticky
Cons
- Potent scent may not be suitable for those sensitive to smells
- Not ideal for use around cats
- Comfort level for pets could be improved for some customers
Buying Guide
What to look for when buying mosquito repellents for dogs
As the weather warms up, mosquito bites become an unavoidable annoyance for both humans and their furry companions. These bites are itchy and irritating and can pose serious health risks for dogs, including heartworm disease and other infections. That’s why investing in a quality mosquito repellent for your dog is essential.
But with so many options on the market, it can be challenging to determine which mosquito repellent will work best for your dog. In this buying guide, we’ll discuss essential product features, potential problems, and use cases to consider when shopping for mosquito repellents for dogs.
Product Features to Look for
When shopping for a mosquito repellent for your dog, here are some essential product features to look for:
Active Ingredients: The active ingredients in mosquito repellents are the chemicals that repel or kill mosquitoes. Look for products that contain ingredients that are effective and safe. Try to look for DEET-free products. While DEET is generally considered safe for humans, some are concerned about its potential health risks. DEET has been associated with skin irritation and allergic reactions, and in rare cases, neurological symptoms such as seizures. There have also been concerns about the potential impact of DEET on the environment, as it can be toxic to aquatic life.
Application Method: Mosquito repellents for dogs come in various forms, including sprays, lotions, and wipes. Consider your dog’s temperament and lifestyle when selecting an application method. For example, a spray may be more convenient for an active dog enjoying outdoor time. Collars deserve special consideration. Although a collar may be a better choice for a dog that dislikes being sprayed, there are collars in the market that are highly effective against fleas and ticks and can even be used for cats. However, they are not effective against mosquitoes.
Longevity: Consider how long the repellent will last before reapplying it. A long-lasting repellent will provide continuous protection and save you time and money in the long run.
Safety: Ensure the mosquito repellent you choose is safe for your dog. Look for products specifically formulated for dogs and avoid ingredients that can be harmful, such as DEET, if ingested.

Potential Problems to Consider
When buying mosquito repellents for dogs, it’s essential to be aware of potential problems that may arise, including:
Allergic Reactions: Some dogs may have an allergic reaction to the ingredients in a mosquito repellent. Watch for signs of itching, redness, or swelling after using a new product, and consult with your veterinarian if you notice any adverse reactions.
Ingestion: Dogs are curious creatures and may lick or ingest a mosquito repellent. Avoid products with harmful ingredients, and always supervise your dog after applying the repellent.
Effectiveness: Not all mosquito repellents are created equal. Some products may not be effective against certain types of mosquitoes, so it’s important to research the product and its effectiveness before making a purchase.
Use Cases to Consider
When choosing a mosquito repellent for your dog, consider the use cases that are most important to you and your furry companion, such as:
Outdoor Activities: If you and your dog enjoy hiking, camping, or other outdoor activities, a long-lasting and effective mosquito repellent is essential to keep your dog comfortable and healthy.
Home Use: If your dog spends most of their time indoors, you may not need a highly potent repellent. Instead, consider a mild, natural repellent that won’t overpower your home with chemical smells.
Travel: If you plan to travel with your dog, research the local mosquito population and choose an effective repellent against those particular types of mosquitoes.
Frequently Asked Questions
Q: Are mosquito repellents safe for puppies?
A: Mosquito repellents can be safe for puppies, but it’s essential to choose a product specifically formulated for puppies and avoid those with harsh chemicals. Always consult your veterinarian before using mosquito repellent on a young puppy.
Q: Can I use human mosquito repellent on my dog?
A: It’s not recommended to use human mosquito repellent on dogs, as the ingredients may not be safe for them. Dogs may also ingest the repellent by licking themselves, which can be harmful. Instead, always choose a mosquito repellent that is specifically formulated for dogs.
Q: How often should I apply mosquito repellent on my dog?
A: The frequency of application will depend on the specific product and its longevity. Read the product label carefully and follow the instructions for application. Generally, most mosquito repellents for dogs must be reapplied every few hours.
Q: Do mosquito repellent collars work for dogs?
A: Mosquito-repellent collars can be effective for some dogs, but they may not provide the same level of protection as a spray or lotion, and most collars are designed to repel or kill fleas or ticks but not mosquitoes.
Conclusion
When it comes to protecting your furry friend from pesky mosquitoes, it’s crucial to choose the right repellent. Remember, mosquitoes are the transmitters of heartworm, which wreak havoc on dogs’ health. Several factors are to consider, including the product’s features, potential problems, and use cases.
To help you make an informed decision, we’ve researched and tested various mosquito repellents for dogs to find the best ones on the market:
Our choice for the Best Overall Mosquito Repellent for Dogs is Ceva VECTRA 3D
Our second best product is FRONTLINE Shield for Dogs
The Best Natural repellent you can apply to your dog is Vet’s Best Mosquito Repellent
If mosquitoes and other flying bugs won’t let you and your dogs stay in your yard, the Best Natural repellent is TropiClean Natural Flea & Tick Yard Spray
If you want to treat your home (furniture, carpets, dog beds, etc.) the Best Natural repellent is Vet’s Best Flea and Tick Home Spray
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