Fleas are some of the most persistent and truly irritating ectoparasites known to bring disease to man’s best friend. And while there are numerous medications that have been formulated over the years, these pesky creatures have somehow learned to adapt. Additionally, the ever-increasing number of side effects brought about by the prolonged use of these products underscores the growing need for an effective yet safe treatment to administer. That is why we’re sharing with you the 10 best flea treatment for dogs in the hope that you’ll be more empowered to care for your pooches and protect them against these critters.

The Best Flea Treatment for Dogs

1 Bayer K9 Advantix II Flea Treatment for Dogs

Bayer K9 Advantix II Flea Treatment for Dogs
Key features:
  • Contains imidacloprid, permithrin, and pyriproxifen
  • Parasitostatic mechanism of action within the first 5 minutes
  • Starts killing fleas, ticks, and lice within the first 12 hours
  • Convenient once-a-month topical application
  • Fully waterproof formulation

Bayer Animal Health has been producing a lot of high quality veterinary products for a long time and its K9 Advantix II simply carries on this tradition of excellence. The Advantix II’s main advantage is in its fast parasitostatic action, helping stop fleas from biting within 5 minutes of application. While it takes 12 hours for Advantix II to start exerting its killing effect, this is still relatively faster than the average 24 hours of other brands, making it a favorite flea and tick treatment for dogs among serious dog owners.

Unfortunately, K9 Advantix II has not shown any improvements in the duration of its action, mimicking the industry standard of 30 days. It would really be amazing to see advance this further to 60 or even 90 days. Regardless, with easy application and excellent waterproofing, it sure can help protect your dog whether it is a 7-week old pup or a lumbering senior.

What others say about it:
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Two English Springer Spaniels who are very active outside and not one worry using this product. Been using this for years and they’ve been sleeping in our bed for years. Needless to say, we don’t have any problems with fleas, ticks, mosquitos, or any critters that aren’t supposed to be in our bed! Very happy with this purchase and will purchase it again.

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2 Capstar Flea Oral Treatment for Dogs

Capstar Flea Oral Treatment for Dogs
Key features:
  • Suitable for pups aged over four weeks
  • Destroys adult fleas only
  • Delivered in tablet form
  • Starts working in 30 minutes

This flea treatment is delivered in tablet form which your dog swallows. It is approved for use in pups and adult dogs who weigh more than two pounds and are aged over four weeks. It is also safe for pregnant and breeding dogs. You only need a single dose of the tablet which contains the active ingredient Nitenpyram. It is highly effective at killing adult dog and cat fleas but is not effective against eggs. For that you will need another product.

It starts to act very rapidly, some effect can be seen within 30 minutes of ingestion and it has been shown to kill 90% of adult fleas within hours. Soon your dog will be feeling a lot less itchy and uncomfortable. You avoid the mess and odor associated with topical treatments and it is very easy to administer. You can keep giving a daily dose until all the fleas have been eliminated.

What others say about it:
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Capstar is worth having for the treatment of fleas. With this pill within 4 hr. You can see the dead ones and is safe for your pet to take. I had taken my pet with me one day and the next day it was covered with them. I have used this product before and am happy with it.

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3 Frontline Plus for Dogs

Frontline Plus for Dogs
Key features:
  • Suitable for pups aged over eight weeks old
  • Destroys fleas, larvae and eggs
  • Contains two active ingredients
  • Carries on working for 30 days

A highly effective treatment against fleas, ticks and chewing lice, this product gets to work right away on adult dogs and pups aged over eight weeks old who weigh between 45 and 88 pounds. This is a liquid which needs to be applied topically (to the skin) between the shoulder blades of large breed dogs.  It keeps working for 30 days and does this by destroying eggs and hatching larvae. Therefore, your pooch is protected from re-infestation from eggs on their coat.

There are two powerful ingredients in the solution. The fipronil content is highly effective against the adult fleas and ticks. Some studies have shown that within 12 hours it had killed all live adult fleas. The second active ingredient is (S)-methoprene which gets to work on the flea eggs and larvae and keeps going for a whole month. The active ingredients work together to break the flea life cycle and keep your pooch protected as well as helping to prevent the transmission of Lyme Disease.

What others say about it:
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My dog is an Australian shepherd mix and we have struggled for years to find a flea medicine for him that is both effective and doesn’t cause seizures. We live in the woods with a lot of fleas and ticks and before we put him on the medicine, he was absolutely miserable iching all the time. He even pulled a chunk of his hair out from itching and their was a large open sore. Now a little over a month of having him on this stuff and he is so much better!

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4 Vet’s Best Flea + Tick Home Spray

Vet's Best Flea + Tick Home Spray
Key features:
  • Suitable for home surfaces and dogs
  • Only for adults and pups aged over 12 weeks
  • Contains only natural ingredients
  • Kills adult fleas and eggs

A very useful product that treats your dog and your home at the same time. If you are concerned about residual fleas lurking in your carpet or on your sofa and leaping back onto your dog, this would be the product for you. It contains a blend of natural ingredients which are kind on your dog and your home but harsh on fleas! The formula comprises peppermint oil, Eugenol (clove extract) and Sodium Lauryl Sulfate which are all natural and plant-based ingredients.

It will help to control adult fleas as well as flea eggs and, as an added bonus, it is highly effective at repelling both ticks and mosquitoes. There are no chemical pyrethrins or permethrins which cause some dog owners concern. It is safe to use as a fine mist on all surfaces in your home including furniture, bedding and carpets. It is non-staining but it may be wise to patch test a small area first. You can also apply it directly on dogs and pups aged over 12 weeks of age but avoid the eyes and face because it will cause irritation. It cannot be used on pregnant or nursing dogs.

What others say about it:
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Highly recommended if you read the label you understand how it works which all you need to do us spray the fleas and you will kill them instantly but it has to be sprayed on them for it to work. Every time I sprayed where the fleas were they died. I combed my dog and sprayed her before we went to sleep and she was able to sleep with me with those fleas on her and after they were gone as precaution I sprayed her before bed until I was able to take her to the vet who checked her for fleas and found none.

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5 PetArmor Plus for Dogs

PetArmor Plus for Dogs
Key features:
  • Suitable for extra-large dogs
  • Contains fipronil and (s)-methoprene
  • Lasts for 30 days
  • Can be used on sarcoptic mange and several species of ticks

A big solution for extra-large dogs that are being bothered by fleas! Different packs are available to suit dogs from 4 pounds to 132 pounds. It’s a topical solution that you squeeze onto your dog. It starts to act very quickly. The active ingredients are fipronil and (s)-methoprene which work together to offer both rapid and long-lasting relief from the misery of flea bites and the irritation that they can cause to the skin. This is because it can kill the adult fleas but will also work on the flea eggs and flea larvae that have hatched. It will arrest the development of flea pupae too so it carries on having an effect for 30 days.

It is waterproof and helps to control diseases that are spread by fleas and ticks including Lyme Disease so it can protect the whole family. It is also useful for sarcoptic mange and several species of ticks including deer ticks and American dog ticks.

What others say about it:
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This product performs as promised on my Shih Tzu and two sizes of Poodle: Big and Tiny. And it works quickly, too. I buy for the highest weight they offer bc I have to dose FOUR (4) dogs a month, so I actually calculate the doses for their weights and divide accordingly. In that way I can take care of my 4 dogs using only 2 ‘doses’ a month. Btw that, n the fair price on this product, in general, it’s a real moneysaver. But most importantly, the dogs’ needs get met perfectly, and THAT’s what matters most.

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6 Advantage II Flea Treatment for Medium Dogs

Advantage II Flea Treatment for Medium Dogs
Key features:
  • Suitable for medium-sized breeds
  • Only for pups over 7 weeks old
  • Active ingredients are imidacloprid and pyriproxyfen
  • Waterproof formulation

A topical treatment to use once a month on adult dogs and pups aged over 7 weeks old and who weigh 11 to 20 pounds, this is ideal for medium-sized breeds. Once it comes into contact with the fleas it starts to have an effect within 12 hours. It kills all the life stages including eggs, larvae, lice and adult fleas. This helps to break the life cycle and stops your dog from getting infested over and over again. The formula is waterproof so it will continue to be effective even if you have to bathe your dog or if they go swimming.

The active ingredients in the product are imidacloprid and pyriproxyfen and it is not suitable for cats. If your dog is pregnant or nursing pups, speak to your vet before using it.

What others say about it:
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No more fleas and my dog is very happy. I don’t usually like flea meds because of all the negative publicity but this product is great and did not harm my little dog who is now talking to me again. She hates itching!!!

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7 Onguard Flea Treatment for Dogs

Onguard Flea Treatment for Dogs
Key features:
  • Suitable for dogs weighing between 45 and 88 pounds
  • Kills all of the life stages of fleas including the eggs
  • Active ingredients are fipronil and (S)-methoprene
  • Waterproof formulation active for 30 days

This is a pack of single dose topical treatments that can be used on adult dogs including breeding, pregnant and nursing dogs. Dogs weighing between 45 and 88 pounds can be treated. It cannot be used on pups under 8 weeks old and is only suitable for dogs and not other animals. It kills all of the life stages of fleas including the eggs. It is also highly effective against chewing lice and sarcoptic mange mites so you will probably only have to use the one product to keep your dog fully protected.

The ingredients that do the job are fipronil and (S)-methoprene so it starts working immediately and remains active for up to 30 days. This enables it to break the life-cycle and the trap of continual re-infestation. You can use it to bring relief from dermatitis caused by flea allergies as well as Brown dog ticks and the Deer ticks that carry Lyme disease. Because it is waterproof, you are free to bathe your dog and let them play out in the rain without affecting the treatment.

What others say about it:
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Good product for a great price. I have been using this on my 81 lb Mastiff mix for the last 6 months and I haven’t seen a tick or flea on him ever. I wish it also repelled mosquitos

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8 Vet’s Best Flea and Tick Wipes

Vet's Best Flea and Tick Wipes
Key features:
  • Suitable for dogs and your home
  • A pack of wipes containing natural pesticides
  • Active ingredients are peppermint oil and clove extract
  • Good at repelling mosquitoes

Made in the USA from natural and gentle plant-based ingredients, this flea treatment is provided in the form of disposable wipes. You use them by wiping them over your dog’s coat including their paws and tail but avoiding the eyes and genitals as they can cause irritation. Then you massage the product into the coat so it penetrates the skin. You can repeat this as often as you need to. You can also use them on surfaces within your home including countertops and pet bedding. Wipes are a very easy and clean way of applying flea control to your pet and your home.

The wipes contain no plastic resins and use only the natural action of peppermint oil and clove extract to kill fleas as well as flea eggs, and ticks. It has a clean, fresh odor with no artificial fragrances added and is great for repelling mosquitoes as well as killing several other parasitic pests. It’s safe for the pets and humans in the home.

What others say about it:
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This product seems to really calm the scratching, chewing that the cats have been doing. I have 5 indoor only cats, have never in 12 years had fleas till now. For some reason one has more than the others and these wipes really help her to calm down. I use these on 4 of them as the 5th does not like the wipes, but he doesn’t like anything being put on him. So…they are very helpful in my house. You still need to vacuum like crazy and apply a spray to carpeting and a preventive flea treatment…but these wipes are a good tool to have against fleas.

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9 Frontline Spray for Dogs

Frontline Spray for Dogs
Key features:
  • Spray bottle so very easy to apply
  • Suitable for cats and dogs
  • Contains fipronil
  • Waterproof and lasts for 30 days

An effective spray treatment that is suitable for dogs and cats and needs to be used every 30 days. It contains an effective pesticide called fipronil which will kill all the fleas and ticks living on your dog’s coat and causing them huge irritation and distress. It works so well because it can also kill the fleas before they have a chance to lay eggs, so your dog will not get infested again within the 30 days. Then you simply apply it again to continue the protection and keep your pet parasite-free.

Tests have shown that it is effective at destroying all fleas on a dog within 24 hours so it has a rapid action. It is also suitable for the cats in the household. During the 30 days when it is active, it remains waterproof so bathing your dog is not a problem. It comes in a spray bottle so it is very easy to apply even if your dog is not co-operative. You can use it on pups as long as they are aged over 8 weeks. As well as killing all stages of the flea species, it is also an effective defense brown dog ticks and American dog ticks as well as deer ticks. This makes it a useful weapon in the fight against Lyme Disease (which can infect humans as well) and flea allergy dermatitis.

What others say about it:
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Tried several topical drop formulas, oral capsules, flea baths, and they did not work. Decided to try this spray and fleas were gone by the end of the day. I treated 2 large dogs, 1 cat, sprayed bedding and still have plenty left. This is the best value and the most effective flea treatment around still today. I remember a vet I worked for was asked by a customer, what about the eggs? He replied “dead fleas don’t lay eggs”.

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10 Virbac Knockout E.S. Area Treatment

Virbac Knockout E.S. Area Treatment
Key features:
  • Aerosol spray for the home
  • Covers and treat 2,100 square feet
  • Contains pyrethrins and permethrin
  • Contains pyriproxyfen – insect growth regulator

A highly effective flea treatment provided in an aerosol spray that will cover and treat 2,100 square feet of carpet, rug etc. in your home. The treatment is for your home and needs to be used at the same time as another treatment that you apply to your dog. This will break the continual cycle of re-infestation that can be so bothersome to dogs and owners.  It contains pyrethrins, permethrin as the active ingredients and also contains pyriproxyfen which is a powerful insect growth regulator. It stops fleas from developing for up to 7 months giving your dog exceptionally long-lasting protection from annoying pests.

These ingredients also get to work rapidly to reduce the infestation of adult fleas. Then it prevents any newly hatched fleas from developing into the adult stage when they start breeding and jumping back on your dog to bite them. It reaches the fleas around your home so it controls infestations in rugs, drapes and floor cracks which makes your treatment even more effective. There is no unpleasant odor and the product is not sticky.

What others say about it:
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We tried literally every natural approach to flea treatment, and we only had a mild infestation. I could not believe the amount of time I spent vacuuming (3hours+ a day- I was adamant about NOT using chemicals!), but it was all for nothing. One treatment of this fixed everything. One treatment. I didn’t have to evacuate my pets from my house (like with a bomb). I just shut off the a/c for a couple of hours so the spray wasn’t sucked through the return vents of the bedrooms I sprayed (the only carpeted rooms in my house), and shut the doors to keep our pets out. I did open the windows for circulation. Also, I just covered our bearded dragon’s tank with a thick towel. This was 3 months ago. I have since seen fleas on the dog (from outside) but not a single one in the carpet or vacuum. When it says 7 months protection, I believe it!

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11 Sentry Fiproguard for Dogs

Sentry Fiproguard for Dogs
Key features:
  • Squeeze-on flea control solution
  • Suitable for pups aged over 8 weeks
  • Breaks the flea life-cycle
  • Works for 12 weeks after application

A squeeze-on flea control solution that is suitable for adult dogs that weigh between 45 pounds and 88 pounds and pups aged over 8 weeks. It contains the powerful active ingredient used in Frontline Top Spot, namely Fipronil. This ingredient is a well-established and proven compound in the fight against canine flea infestations and has proved to be highly effective.

It will kill adult fleas and ticks and will also get rid of chewing lice. It is effective at breaking the lifecycle of the flea and stops re-infestations and the cycle of itching and scratching. It will also destroy flea eggs and flea larvae for up to 12 weeks after application. It gets to work very quickly and is waterproof so it cannot get washed off. You will need to re-apply after 12 weeks.

What others say about it:
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I tried this topical flea treatment as the one I usually buy is out of stock and it had the exact same ingredients. Works great and the cost is less. As stated in other reviews, this product does leave a white residue on your pup’s fur for a few days. Not a deal breaker for me – it actually reminds me not to touch the area. Will purchase again.

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12 Adams Plus Flea and Tick Spray

Adams Plus Flea and Tick Spray
Key features:
  • Contains etofenprox, (s)-methoprene and piperonyl butoxide
  • Supplied in a handy spray bottle
  • Breaks the flea life-cycle
  • Applied twice a month

Based on the powerful active ingredients etofenprox, (s)-methoprene and piperonyl butoxide, this is an effective flea control solution. It is supplied in a handy spray bottle and can be applied twice a month. You ruffle your dog’s coat before spraying and use four sprays per pound of your dog’s body weight. Dogs with short coats will need less of the product. The coat needs to be dampened with the spray for it to work but does not need to be soaked.

It gets to work right away and provides instant relief for your pooch. The life cycle of the fleas will be broken as the product will kill adult fleas as well as flea eggs. You may also need to treat the house as it often gets infested with eggs. It will carry on working for two months during which it provides continuous protection. Even mosquitoes will be repelled by this product.

What others say about it:
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I have one dog and two cats that live inside but frequent the outdoors during the day. After trying Adam’s Plus instead of the other flea and tick sprays costing over a dollar an ounce, I can say the other’s don’t have anything on Adam’s. We keep a flea trap in an area of our house where our pets spend a lot of time in order to catch the fleas that ride into the house on our pets and jump off before ingesting any of the treatment. Having occasionally found flea’s in it in previous years, we know it works. However, since using Adams flea and tick spray for the last 18 months, we have not found any flea’s in the trap and I am getting ready to order my second bottle of it.

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13 Natural Care Flea & Tick Spray

Natural Care Flea & Tick Spray
Key features:
  • Contains peppermint oil and clove extract
  • Supplied in a handy spray bottle
  • Can be used on animals and in the home
  • Fresh, clean odor

Complete protection for your pooch, this is a natural product made in the USA and a great way to keep pesky parasites at bay. It is made from a carefully blended formulation of plant-derived ingredients such as peppermint oil and clove extract. It has a fresh, pleasant scent but is a powerful pesticide. It will kill all stages of the flea life cycle including adult fleas and eggs. It will also repel mosquitoes very effectively if you live in an area where this is an issue.

The product is supplied in a spray container so it is easy to apply to your dog although it is also safe for use on cats. You can even use it on surfaces in your home that you think may have been infested. It can be used on adult dogs and pups who are over 12 weeks old.

What others say about it:
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We use this on all of our furry families. We presently have 4 adult dogs. 3 puppies. 6 cats 2 raccoons and 2 squirrels. We use it on our kids every week. Have used this on the pups since they were 2 weeks old. They are 7 weeks now. No fleas or ticks on any of us. I also spray our bedding and their bedding. It’s completely safe and I highly recommend it.

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14 NexGard Chewable Tablets for Dogs

NexGard Chewable Tablets for Dogs
Key features:
  • Suitable for pups aged over 8 weeks old
  • Each tablet contains 136 mg of afoxolaner
  • Needs to be used monthly
  • Effective against ticks

The pesticide in this product is delivered to your dog in a delicious and chewable beef-flavored tablet that you will have no problem administering to your dog. You can also hide it in their food. It is safe for dogs and pups aged over 8 weeks old and who weigh more than four pounds. The tablets need to be given once a month and will last for the whole period in between.

Each tablet contains 136 mg of afoxolaner which kills adult fleas before they have time to lay any eggs. This interrupts the life cycle and prevents infestation from starting all over again. It is also highly effective at killing several species of ticks that can bite dogs including the black-legged tick, the American dog tick and the Lone Star tick.

What others say about it:
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My golden retriever had a seizure from Simparica. Because we have cats in the house, we did not want a topical for the dog. That left us few options. The vet suggested NexGard because although it is the same family of medicine in Simparica, it is not as fast acting, takes a day or two longer, and based on his analysis of the products, he said NexGard would likely be easier and safer for the dog. So we tried it, and luckily, the vet was right. No seizures with this one.

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15 Trifexis Chewable Tablet for Dogs

Trifexis Chewable Tablet for Dogs
Key features:
  • Combined treatment for fleas and worms
  • Beef-flavored tablet
  • Starts working in hours
  • Effective for a month

This is a multi-ingredient treatment that combines compounds that will treat flea infestations as well as dealing with worm infestations. It will prevent heartworm disease in dogs as well as treating and controlling adult hookworm. The formulation is also effective against roundworm and whipworm which are common in dogs. As their owner, you get total peace of mind that your four-legged pal is fully protected from pesky parasites. It comes in a tasty, beef-flavored tablet that your pooch takes once a month. It’s a hassle-free way of providing protection.

It can be given to dogs and pups over 8 weeks old and who weigh more than five pounds. The tablets are available in different strengths to suit dogs with different body weights so you must choose the right dose for your pooch. The active ingredients are Spinosad and Milbemycin Oxime which are able to kill fleas on dogs in 30 minutes and have killed all the fleas on a dog’s body within 4 hours. It continues to be effective for a month.

What others say about it:
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In the last year, Tootie was diagnosed with Cushings…..Had her Trifexis delivered and the next day at dr’s appointment her new weight was less. She was in need of the orange box (not the green box) I was very impressed that chewy said they would swap the meds I just received and I could order the new size. GREAT CUSTOMER SERVICE THANKS

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16 Advantus Soft Chew

Advantus Soft Chew
Key features:
  • Each bottle contains 30 soft chews.
  • A single chew works to kill adult fleas on dogs.
  • Available in small & large doses.
  • Starts to kill fleas within one hour of ingestion.
  • Available without a prescription & FDA approved.

Advantus have thought of everything when it comes to the production of this flea treatment. We all know that dogs are not big lovers of medication – especially when they have much more sensitive tastebuds than us. Well luckily, there’s a way around that with Advantus’ flea treatment soft chews. The idea behind this flea treatment design is to help your pup to feel more like they’re being given a treat, as opposed to medication. The best way to go about administering the soft chew treatment is to have your dog perform a task or trick that would ordinarily result in them receiving a treat, such as asking them to sit or lie down.

Not only does the soft chew formula help to curb the difficulty of medication administering, but the many thousands of customers that have purchased this treatment have had nothing but good things to say about it. The treatment takes effect within an hour of ingestion, with most owners saying there wasn’t a flea in sight by the following day. The potent and highly effective formula of these chews makes it the ideal candidate for dogs that have flea allergies, helping them to avoid a severe reaction. Just be sure to check the recommended dosage, as you will need to purchase the strength that matches your dog’s current weight. 

What others say about it:
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I have to say, I was a quite skeptical, even after reading the reviews. I mean, it seems like every product to control fleas people rave about are just appetizers for Florida fleas!!!! I took a leap and purchased this product. I am SO glad I did! I have a bulldog that loves to be outside…nothing worked. I gave him one and waited to see if it REALLY would work in an hour…of course it didn’t….but after a few hours, I did notice he wasn’t scratching. I decided to give him one the next day…and the next day…and the next…NO FLEAS! Nothing…not in my house, not in my carpet, not on my dog!!! So, now I’m on my second bottle…he loves them. He thinks they are treats. Did I mention he’s a very large dog? Anyway…don’t hesitate…buy it. It’s more cost effective than the topicals that only last 2 weeks…if that long.

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Best Flea Treatment for Dogs Buying Guide

If you go to your favorite pet supplies store you can easily understand why a lot of dog owners, especially first-timers, are at a loss as to which product they should use for their pets. You are essentially bombarded with a variety of options from the more traditional spot-on topical applications to the newer yet equally controversial tablet preparations as well as other types of flea meds for dogs. We understand how you feel. That’s why we’ve prepared this buyer’s guide to help you make better-informed decisions related to the control and management of flea infestation, not only in your dog but also in your home.

Why Does My Dog Need Flea Treatment?

One of the questions that most dog owners ask themselves is whether or not their pooches really need flea treatment. The answer can be a very straightforward ‘yes’ or it can also be answered as ‘it depends’. The best way to help you decide whether your dog needs flea treatment is by understanding what fleas are especially the life cycle of fleas.

Fleas are very resilient and hardy critters. These creatures live outdoors and can survive for up to 5 days in temperatures as low as 33OF. Within this period, it can easily catch a ride on your dog’s fur. They don’t fly, but they are mighty jumpers, able to propel their bodies up to distances that are 50 times the length of their bodies. So when Fido enters your house, these creatures will already have access to the warmth of your living room.

The adult flea can then lay eggs on your mutt’s skin. Throughout the life of a female adult flea, it can lay up to 5,000 eggs, possibly even more. Since flea eggs don’t have legs to latch onto your pet’s skin or hair, they fall to the ground. These can fall on your carpet, your floor, or any other surface the Fido likes to frequent.

Within 2 weeks, these eggs hatch and become larvae. These juvenile fleas are particularly averse to sunlight so they are mostly found in dark and humid places such as cracks and crevices on your floor. They also love to hide under your pet’s bedding as well as under your carpets and rugs. And if they get in touch with your pet’s food, they naturally grow into pupae.

The pupa actually just waits for the right trigger for it to come out from its cocoon. These can include vibrations, heat, and increased carbon dioxide levels. All of these actually indicate the presence of a suitable host nearby. When this is triggered, it transforms into an adult flea. All of these can occur within just 4 days although it may take some time for it to transform into its adult version if adverse conditions are present.

So, why does your dog need flea treatment?

Well, fleas are very hardy critters and tough to get rid of. You may think your pet doesn’t have them but they may already be hatching and developing into larvae and pupae just waiting for the right moment for them to come out into the open. Given that there’s no way of telling how many fleas may have latched onto Fido when it ventured in your backyard, it would be safe to assume that your pooch has at least one.

Once fleas bite, they can introduce microorganisms into your pooch’s bloodstream and cause a variety of health conditions and diseases. The following are some of the more common diseases caused by fleas.

  • Flea bite dermatitis: This is one of the most common issues pooches have whenever there is a flea on their skin. It develops because of the inflammatory changes that occur secondary to tissue injury related to the flea bite. The skin becomes reddish and sometimes swollen and very uncomfortable for dogs. And because inflammatory chemicals are released, primarily histamine, these produce severe itching which, when vigorously scratched by your pet, can lead to loss of skin integrity. Cuts occur on the skin and these can become entry points for other microorganisms like bacteria, viruses, and other parasites which can then lead to other health problems.
  • Typhus: Fleas are known carriers of several species of the bacteria Rickettsia which is the principal causative agent of typhus. While the primary target is rats, dogs and humans alike are not immune to its infectious nature. This can lead to fever, joint pain, vomiting, and even muscle pain. All of these can make your pooch sick, will not want to eat, or become depressed.  
  • Plague: The causative agent of plague, Yersinia pestis, is basically transmitted by fleas to rats and other mammals. While the incidence of plague has been significantly reduced, there are still thousands of cases reported every year. Some of the symptoms of plague include fever and severely swollen lymph nodes. The problem is that death often ensues without warning. It is for this reason that pets that are suspected of having plague should be brought immediately to the vet for management. Also, strict isolation must be observed to prevent the spread of the disease.  
  • Tapeworm: The tapeworm Hymenolepis nana has been shown to be carried by fleas, although direct human-to-human transmission also occurs. Dogs can ingest adult fleas when they lick their fur or surfaces that contain tapeworm-infected fleas. Children are especially vulnerable as they can accidentally swallow an infected critter. The good thing is that this infection can be easily treated.  
  • Hemobartonellosis: Bartonella henselae is most commonly found in ticks although it can also be found in fleas. The danger in hemobartonellosis is that the bacteria invade the red blood cells. This disrupts the cells’ ability to carry oxygen and deliver it to the tissues. This leads to anemia which can make your pet lose its appetite, lack energy, and lose weight.

These are just some of the more common health issues associated with fleas. There are plenty more. It is exactly for these reasons that many pet owners give only the best flea medicine for dogs. And you should, too.

Where Do Fleas Hide On Dogs?

Fleas are incredibly small that you would definitely want to part the hairs on your pet’s fur to really visualize them. These creatures can thrive on any part of your pet’s body. However, they do have the tendency to hide in areas where there is some degree of protection, especially from scratching by your pooch.

As such, you may want to start looking for these mini jumpers at the base of your pet’s tail as most dogs cannot scratch this part of their bodies. Additionally, the natural curvature of the tail bone gives these pests some degree of protection. Other areas where these pests can hide in your dog include the neck, the belly, and the chest. The space in between toes on your pooch’s paws can also be excellent habitats for these ectoparasites.

Can I Use Flea Treatments When My Dog is on Other Medication?

It is understandable that you may have reservations about using flea treatments while your mutt is on other medication. Generally speaking, you should never combine medications as there is no way of telling what effects will come out of the drug interactions. A safer way is to consult with your veterinarian about what medications are contraindicated on your pooch if you do decide to give it flea treatment. You can also ask your vet if it is safe to give your mutt a certain brand of flea medication if it is already receiving other medications. Your veterinarian understands drug interactions in canines a lot better than other resources.

Nevertheless, here are some tips you can consider when considering any treatment:

  • When searching for the right combination, you may want to read the labels of each product and focus your attention on the drug interaction section.
  • If you wish to combine pesticides for your pet, it is a lot better to combine a flea-only medication with a tick-only treatment.
  • Never give to your mutt more than what is recommended.
  • Do not double up on your treatments. For example, giving a flea medication on top of another flea medication.

How Often Do I Need to Give My Dog a Flea Tablet?

One of the most innovative solutions in the fight against flea infestation in pets is the development of a tablet form of these flea medications. There are many benefits of flea tablets, pills, and chewable that other forms of treatments simply cannot provide. For instance, these are considered to be more effective than traditional spray-on or topical preparations since there is no guarantee all of the active ingredients will be absorbed by the dog’s skin. Since tablets go directly to the digestive tract where these are digested and absorbed into the bloodstream, there is a greater concentration of the active ingredient present in the blood. These medications are a lot more convenient to administer, too. Some actually come complete with all-in-one protection that helps protect pets against heartworms and intestinal parasites, not just ticks, and fleas.

But the question most pet owners ask is related to the duration of action of these formulations. Most spot-on treatments require re-application within 30 days, some as short as 15 days while others promise 90-day protection.

Similarly, the duration of effectiveness of flea tablets depends on the brand. For instance, Capstar is known to be a very potent anti-flea medication that can kill these pests within 30 minutes. Unfortunately, it doesn’t last that long. If your pet gets reinfested within the day, you can give another tablet of Capstar. Without additional effort on your part to control the environmental factors affecting flea growth, you’d end up with a more expensive treatment as you will need to give your mutt.

On the other hand, Bravecto’s 90-day protection is spectacular for a flea tablet. While it doesn’t work as fast as Capstar, it is still a lot faster than traditional spot-on medications. If you do use Bravecto, then you will have to give your pet at most 4 times a year.

This is dependent on where you live. If you live in areas where fleas thrive all year round, then you will have to treat your pet for the whole year. However, if you live in an area where these pests display seasonal patterns, then you will only give your mutt these tablets at most twice a year.

Again, depending on the product that you give to your mutt and the prevalence of flea infestation in your locality, the number of times you will give a flea tablet can range from as short as daily to about 3 months.

siberian husky puppy scratching

Tips on Preventing Fleas at Home

Regardless of how aggressive you are in your application or administration of the best flea medicine for dogs or how meticulous you are in removing these critters off of your pet if you are not going to do something about their natural habitat, then you will still face the same problem year in and year out. As we have already explained, there’s no way we can track the movement of these pests from the outside environment to our homes. We often only realize that they have invaded our homes when our pet begins to scratch. By then, many of these fleas would have already laid eggs. Some would already be in their larval and pupal stages. In a few more days, they will turn into adult fleas.

That is why it is imperative that you should also know how to prevent fleas at home. Here are some tips.

  • Start cleaning your backyard. Since they love hiding in crevices and cracks where there is plenty of moisture, you may want to start spraying your backyard with an appropriate pesticide so that these pests are killed even before you or your pet has a chance to bring these inside your house. Covering crevices and cracks on the ground and keeping everything neat and tidy should also help minimize infestation. This also means you have to mow your lawn and keep the shrubs well-trimmed.
  • Safeguard your property by putting appropriate electric fences for dogs that will help prevent the entry of feral animals into your backyard. Remember that fleas don’t just rely on dogs as their hosts. Other mammals are excellent hosts, too. So, don’t give this curious wildlife a reason to be nosy in your property. Don’t leave food scraps or even your pet’s food outside as these are natural magnets for feral cats, raccoons, and other creatures. Also, seal off possible entry points such as crawl spaces, sheds, garages, and even under decks as these can be used by other animals as nests.
  • Call a professional to fog your home properly. Many of the chemicals used in fogging can kill fleas in all stages of development, including the very hardy pupae. These substances can also last as long as 7 months, so it may be wise to plan the fogging so that when it does wear off most of the fleas will be less active. If you have a large property, getting 2 to 3 foggers should do the trick.

Take a look at our latest review of the Best Flea Killer For Yard.

  • Keep your shrubs well-spaced. The more sunlight that gets through to each leaf or any other structure in your plant should help kill the larvae of these pests. Improving ventilation also helps.
  • Use a pet hair vacuum, sweep, and mop your floors and other surfaces to help remove eggs, larvae, pupae, and even adult fleas. Make sure to reach in baseboards as these critters love the dark. With each vacuum, dispose of the bag immediately. Remember that vibrations can ‘awaken’ pupae and turn them into adult fleas.
  • Wash the beddings and other items of your pet. Leave these to dry under the hot sun. This should kill these ectoparasites. Include your mutt’s toys.

Managing fleas and preventing them from ever coming back requires multiple approaches. The best flea medicine for dogs is just one of the approaches that you will have to employ. You will also have to include in your regimen environmental control and sanitation to help prevent reinfestation. Preventing reinfestation will help you prevent the development of a variety of diseases in your pet. To make the most out of these treatments, it is best not to combine them with other medications. If you think you need to, then talk to your vet about it. These 10 best flea treatments for dogs will start you on the right foot.

You May Also Like: Best Vacuum For Pet Hair

Warning: When buying online, always ensure that you are purchasing a legitimate product, as there are many companies that will sell imitation products that can be easily mistaken for the real thing.

Sources:

  1. How Do I Stop My Pet From Getting Fleas?, RSPCA Australia
  2. Using Flea Medications Safely: Top 5 Tips for Pet Parents, ASPCA
  3. Flea Control: Safe Solutions, PETA
Sharon Parry

Sharon is a Ph.D. scientist and experienced pet content writer. As a life-long animal lover, she now shares her family home with three rabbits, a Syrian hamster, and a Cockapoo puppy. She has a passion for researching accurate and credible information about pets and turning it into easy-to-understand articles that offer practical tips. When it comes to our furry friends, she knows that there is always something new to learn!

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