Seresto Flea And Tick Collar Reviews — Buyers Guide

Seresto Flea And Tick Collar Reviews – Buyer’s Guide


A dog collar is any material which is put around an animal’s neck for fashion, training or identification. Dog collars usually contain medical information and they can be used together with a leash. Collars can be made of different materials such as nylon, leather, polyester or metal.

Seresto Flea And Tick Collar

There are different types of dog and cat collars such as stud collars, reflective collars, lighted collars, floatation collars. Flea collars and Elizabethan collars which have specific uses. This article highlights the best seresto flea and tick collar for cats and dogs, their benefits, dangers and advantages.

How to Select the best seresto flea and tick collar for dogs

When choosing a Seresto flea and tick collar, there are various factors which should be considered. The selected collar should fit the dog. A large collar is suitable for adult dogs while small collars are suitable for puppies and small breed dogs. A collar should also be convenient. This prevents one from having to replace it frequently. The selected Seresto dog collar should effectively deal with fleas and ticks.

It is also important for one to check a collar’s active ingredients. Those with Tetrachlororvinphos are not ideal since the neurotoxin is unsafe for humans and animals. However, it attacks fleas’ nervous systems.

Many Seresto dog collars are effective in controlling flea eggs, ticks and flea larvae. There are a variety of formulations which are ideal for cats, medium, large and small dogs.

Image Types of collar Protection Checkout
Seresto flea collar for large dogs 8 Months Check Price
Seresto flea collar for small dogs 8 Months /
Under 18lbs
Check Price
Seresto flea collar for cats 8 Months Check Price

Benefits of Using seresto flea collar for large dogs

Seresto dog collars aid in preventing parasite infestations on dogs. The selected collar should be used for at least eight month so as to determine its effectiveness. They provide an alternative to treat flea infestations.

A release technology in a Seresto flea and tick collar releases active ingredients for a long duration. Once the collar is applied, the active ingredients get transferred to the dog’s hair and skin respectively. They are then evenly distributed all over the dog’s body. All Seresto dog collars have two active ingredients which are usually Imidacloprid and Flumethrin. Flumethrin kills fleas and flea larvae while Imidacloprid kills and repels ticks.

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Seresto Flea Collar

It is a type of supplementary collar that is worn together with the buckle collar. It provides a long lasting fleas and tick treatment as well as repelling pests such as mange. The collar also prevents re-infestation and it lasts up to eight months.

Advantages of Seresto Flea Collar

The following are some advantages of using Seresto flea collar.

It is approved by veterinarians: The collar uses the release technology which releases ingredients for a long time.

It has numerous reviews: Customers who have used it in the past have been impressed by its performance. It is effective in killing ticks and fleas in both dogs and cats. Due to its non-greasy nature; it can be used in tropical regions.

There is no odor: This makes it friendly to animals.

It contains two active ingredients: Imidacloprid and Flumethrin repels and kills flea larvae, adult fleas and ticks.

The collar is not affected by water: It is still retained even after a dog swims, gets washed or is rained on. It has a breakaway mechanism and a reflective chip which is applied at night.

It has high efficiency: It kills fleas in two hours and ticks in six hours. This prevents an adult flea from laying eggs within 23 hours hence avoiding disease transmissions.

A long lifespan: The collar can remain effective for up to eight months without being replaced.

Affordable: It is sold at a fair price which is pocket-friendly to many clients.

Dangers of Seresto Flea Collars

Despite having numerous benefits and advantages, Seresto flea collars have various dangers. They have Flumethrin and Imidacloprid insecticides which could harm dogs. They cause the following side effects in dogs.

1. Skin irritation

It could be mild or severe depending on the age and breed of a dog. One should keenly observe a dog for a week after fitting him with seresto collars.

2. Hair loss

If it occurs, the collar should be removed immediately and the dog should then be washed. The seresto collar insecticides could be allergic to some dogs hence leading to hair loss.

3. Vomiting

Some dogs experience it within a few hours after wearing the seresto collar while others vomit after several weeks. They also diarrhea and lose appetite. In case vomiting doesn’t occur immediately a dog wears a collar, he should be monitored for a while on a daily basis. In case abnormal signs occur; the collar should be removed immediately.

4. Convulsions

After wearing a dog collar, a dog could be unable to breath. This could be caused by body weakness. If this escalates, it often results in convulsions. The collar should be removed immediately.

Tick and Flea Prevention for Dogs

Ticks live in dense vegetative and wooden areas. They cling onto a dog’s skin and feed on its blood. It causes discomfort in dogs and they rub themselves against walls or trees. The following methods can be useful in preventing tick infestation in dogs.

1. Avoiding places which are infested with ticks

These are usually meadows, vegetative and wooded areas. Ticks climb onto short grass and shrubs and detect the heat emitted by dogs. As a dog approaches, the tick grabs the dog’s fur using its legs and it moves to its skin where it clings on and lays its fertilized eggs.

In order to control ticks, one should rake decaying leaves, trim lawns and bushes. A dog owner should groom her pet everyday using a fine comb. She should use her hands to part the dog’s fur and inspect its skin. Irregular lumps present could be caused by ticks. She should also inspect the dog’s ears, toes, head, tail and belly. If she finds a tick, she should gently remove it using tweezers.

2. Using insecticides

Applying a single insecticide dose protects a dog from flea infestation for up to 90 days. a tick collar can also be used and it should be replaced after four months. It contains an acaricide which kills ticks on contact or as it feeds on the dog’s blood.

Insecticides should be applied on a dog’s back and shoulders. Some last for 90 days before they are reapplied. They contain various active ingredients such as fipronil, pyrethrin and permethrin.

seresto flea and tick collars for dogs

There are different types of a Seresto flea and tick collar which are suitable for small and large dogs.

seresto flea and tick collar for large dogs

1. LED Large Dog Collar

It is an affordable collar which enhances safety and visibility. Upon purchasing it, one gets a 100% guarantee. It is comfortable, adjustable and dog-friendly. One can recharge it using a USB. They are produced in various sizes making them ideal for all large dog breeds. The collar has a nylon design, four modes and long lasting batteries.

Veterinarian’s Guide on Flea Collars for Dogs

F leas have been a nuisance to dogs and their human companions for a millennia. In the last 50 years, flea control has become much more effective and convenient, with a wide variety of products. Sprays, topicals, pills and flea collar for dogs have all been developed to wage war on this ancient parasite.

Table of Contents

With so many options, pet owners are often confused which are the best flea treatments for dogs, how they differ and how to pick the right one for their pooch. In this article, I will walk you through the most popular choice, the flea collar for dogs, what you should know about these products and how to shop for the right one.

Meet the Flea

To understand how flea collar for dogs work, it’s important that you know your and your dog’s most infamous enemy: the flea.

The dog flea (Ctenocephalides canis) lives off the blood of dogs. Adult female fleas lay eggs on the animal or in the surrounding environment where the dog lives. The eggs then hatch into larvae and then form a pupae before becoming adults. Fleas have a very high rate of reproduction. Their lifespan is about 9 months. Fleas lay about 50 eggs per day.

This is why flea infestations can be very difficult to control.

Signs of a flea problem include increased scratching, hair loss, seeing live fleas on the dog and observing “flea dirt” (looks like black pepper on the dog or where he sleeps). Most commonly, flea infections start around the base of the tail. If you notice your dog chewing at the base of their tail, pick up a flea comb – fleas may be the culprit.

Here’s what a flea infestation might look like:

Photo of a flea infestation on a dog.

Flea infestations or even a few flea bites on a dog can cause serious health issues. Dogs can become allergic to the flea’s saliva, making just a few bites extremely uncomfortable and itchy. Dogs frequently lose and damage their hair and skin from scratching, predisposing them to secondary bacterial and yeast infections. Other types of worms and parasites may infect the dog. Tapeworms, such as Dipylidium caninum, infect the dog after the dog ingests a flea carrying the tapeworm cysticercoid.

Beat the Flea with Flea Prevention

The key to proper flea prevention is to break the flea’s life cycle in as many places as possible, as demonstrated in several studies. Killing only the adults will not prevent more adults from developing from the egg, larval or pupal stages. This is where flea collar for dogs will come in handy and have been scientifically proven to be effective.

Many topical and oral insecticides like flea pills currently available on the market do this quite well, too. However, in severe infestations or outdoor settings, environmental control is needed. Finally, when you have a flea infestation at home, it also helps to eradicate them using other tools, such as electric flea traps and powders.

Different Flea Collar for Dogs Brands

A dog flea collar is made of durable plastics and contain specific insecticides. The insecticides that are used in both traditional and newer generation flea collar for dogs products vary widely. The best ones will break the flea’s life cycle in multiple places, last for several months and are safe for everyone in the household.

Remember that just like bacteria and viruses, fleas can develop resistance to insecticides over time, thus rendering those chemicals ineffective. Active ingredient in the flea collar for dogs is the key to how effective that collar will be, and new generation collars are likely to have new insecticides which will be more effective at killing fleas.

Let’s take a look at some of the better known dog flea collars, how they work, their active ingredients as well as advantages and disadvantages of each product.

New Generation Flea Collars

1. Scalibor (Merck) Deltamethrin Collar

Deltamethrin is a newer generation insecticide that repels and kills adult fleas, kills ticks and repels mosquitoes.

Benefits of Scalibor dog flea collars:

  • Effective for up to 6 months
  • Water resistant
  • Easy to use
  • No greasy residue
  • No odor
  • Veterinarian Recommended
  • Can be purchased online or through your veterinarian
  • One of the most effective flea dog collars out there

Disadvantages of Scalibor collars:

  • Use with caution in households with children. Do not allow children to touch or play with the collar.
  • Not for use on puppies less than 12 weeks of age
  • Collar can become lost or broken, especially on outdoor dogs
  • May not be effective in areas of the southeastern United States, or where the flea burden is high
  • May not be effective enough for dogs with flea bite allergy
  • As with any collar, the collar can be chewed off – potentially predisposing pet to digestive upset or obstruction.
  • Efficacy is decreased for dogs that wear the collar and swim regularly or are bathed frequently.
  • Needs to be applied 1-2 weeks before tick exposure to work against ticks

2. Seresto (Bayer) Imidacloprid/Flumethrin Collars

Imidacloprid is an older but “tried and true” safe insecticide, first registered for use on animals in the European Union in 1997. It works by killing adult and larval fleas. It is distributed from the collar to the skin and hair follicles with very small amounts being absorbed into the dog’s body. It is metabolized into inactive substances that are mainly eliminated in the dog’s feces. These inactive metabolites do not appear to affect other insect species that may have contact with dog feces, including bees.

Flumethrin was first approved for use on companion animals in 1986. It has a long track record as a safe and effective insecticide for ticks and mites, and is well-documented.

These two insecticides work together well, as most dogs need both flea and tick prevention while outdoors. Imidacloprid is also the active ingredient in the topical product Advantage, a well-known brand.

Benefits of using Seresto flea collar for dogs:

  • Starts to repel and kill fleas within 24 hours of initial application
  • Repels and kills adult fleas, flea larva, ticks, lice, and can treat sarcoptic mange infestations.
  • Lasts for 8 months
  • Non-greasy
  • No odor
  • Convenient to use
  • Safe for cats in the household (but not to be used on cats)
  • Safe for puppies over 7 weeks of age
  • Water resistant (good for baths once a month and occasional swimming); if your dog is bathed more often than once a month or swims frequently, remove the flea collar to retain its potency.
  • Trusted and Recommended by Veterinarians
  • Can be purchased online or through your veterinarian

Disadvantages of Seresto collars:

  • Use with caution in households with children. Do not allow children to touch or play with the collar
  • Collar can become lost or broken, especially on outdoor dogs
  • May not be effective enough for dogs with flea bite allergy
  • May not be effective in areas of the southeastern United States, or where the flea burden is high
  • As with any collar, the collar can be chewed off – potentially predisposing pet to digestive upset or obstruction.
  • Efficacy is decreased for dogs that wear the collar and swim regularly or are bathed frequently.
  • Needs to be applied 48 hours before tick exposure for maximum efficacy

3. Generic Deltamethrin-containing Collars

Several non-name-brand deltamethrin flea collar for dogs products are available to buy over the counter. These boast 6 month protection, similar to that of Scalibor collars (above) and most veterinarians recommend them.

The pros and cons of these generic collars are similar to that of the Scalibor flea collar for dogs mentioned above.

Traditional Flea Collars for Dogs

Typically, traditional flea collar for dogs uses older insecticides that fleas may have developed resistance to over time. Newer generations of flea collars described above are typically safer and are more effective than the older-style dog flea collars.

Most traditional flea collars all contain the same active ingredient: tetrachlorvinphos (TCVP). The TCVP active ingredient is an insecticide that kills both fleas and ticks. It was first registered for use in 1966.

Examples of a traditional flea collar for dogs include:

Advantages of TCVP dog flea collars:

  • Ease of application
  • Works well in areas with low flea burden
  • Much less expensive than collars made by Bayer or Merck
  • Can be purchased at grocery stores, pet stores or online

Disadvantages of TCVP dog flea collars:

  • As with all flea collars, use with caution in households with children. Do not allow children to touch or play with the collar
  • Do not use on old or debilitated animals. A warning is on the product packaging
  • Foul odor
  • Does not work for very long. Hartz reports that the collar works for 7 months but typically consumers note it lasts maybe a month or two
  • Customer reports of the collar not working at all
  • Typically not veterinarian recommended due to foul odor and lack of long-term efficacy.

General Concerns Regarding Flea Collars

  1. Do flea collars cause cancer?

The best answer to this is – we don’t know. The science is still unclear on this subject, and there’s no conclusive evidence one way or another.

Many things can predispose an animal to developing cancer – including sunlight. Certain chemicals are known carcinogens. So far, the insecticides that are used in a flea collar for dogs are not known carcinogens.

  1. Do flea collars kill cats?

Dog-specific flea collars can potentially kill or at least make cats very sick. Certain insecticides, called pyrethrins, are especially toxic to cats. Pyrethrins are primarily used in dog tick collars. Never use a flea or tick collar labeled for dogs on a cat. When a flea collar for dogs is safe to use around cats (not on cats!) it will usually say so on the package.

  1. Could my dog be allergic to a flea collar?

It is possible for dogs to be allergic to the plastic or active ingredient in the flea collar. If your dog is allergic to topical products that are applied to the skin, be wary about using a flea collar. Talk to your veterinarian about an oral flea preventative instead of using a flea collar for dogs.

  1. What are the health concerns regarding flea collars, insecticides and human contact?

Scientists are still figuring this one out. If you are concerned about how harmful these substances might be to human health, the EPA’s website is a great resource to get the most up-to-date information.

Best Flea Collar for Dogs — Comparison and Reviews

Dog flea collars are very effective in the prevention and protection against fleas and ticks. All flea collars work in the same way, but generally, they contain different insecticides that lead to some products being more effective than others.

However, once you start shopping online you’ll find an impressive selection of similar collars, each promising to be the most powerful thing on the market. Dog owners usually find themselves overwhelmed by the range of choice available, and may eventually end up unable to buy anything at all.

That’s why we’ve compiled this comprehensive comparison of flea collar reviews, which will help you understand how flea collars work and what is the best flea collar for dogs available in the market.

Our Top Picks

1. Bayer Seresto Flea and Tick Collar

  • Highly recommended by vets
  • Long-lasting providing 8 months of protection from fleas and ticks

2. Primova Natural Dog Flea Collar

  • Best natural flea collar for dogs
  • 8 months of natural and safe flea and tick prevention for dogs

3. Hartz UltraGuard

  • Best Cheap flea collar for dogs
  • Fast acting kills fleas within 24 – 48 hours of use

Best Flea Collars for Dogs 2020 — Reviews

1. Bayer Seresto Flea and Tick Collar for Dogs with 8 Month Protection

Bayer Seresto is the best flea collar for dogs living in high flea infestation areas. Seresto dog flea collar contains a combination of two safe insecticides — Imidacloprid and Flumethrin. These insecticides are potent enough to kill fleas and ticks in contact with dogs skin or hair.

Most flea collars rely on your dog getting bitten by flea or tick to deliver enough insecticide to kill the parasites. The Seresto collar provides the best flea treatment by secreting constant low concentration of active insecticides, which kills most fleas and ticks in contact with your dog, instead of when they bite. Seresto also provides the longest and robust protection by repelling fleas and ticks for 8 months.

This is the best treatment if you live in an area with tick-borne diseases that can potentially be fatal to dogs. By killing and repelling fleas and ticks before they bite, you can protect your dog from diseases as well as from irritation.

Seresto dog flea collar is also well-designed. It has a quick-release mechanism to prevent your dog from getting stuck and suffocating while caught on the collar. It is non-greasy and easy to customize for both large dogs and small dogs. It’s also one of the few products that can be used on puppies (from the age of seven weeks), which is ideal for preventing fleas or ticks in both puppies and adult dogs.

  • Highly recommended by Vets
  • Odor-less and water-resistant – dogs can swim and take bath wearing Seresto flea collar
  • 8 months of protection
  • Quick-release mechanism that’s essential for active dogs
  • It is easy to apply, making it a convenient replacement for other tick and flea products
  • There is a lead-in time (about 2 days) before the collar becomes fully effective

2. Primova Natural Flea and Tick Collar for Small and Large Dogs

Primova is the best natural flea collar for dogs that contains essential oils with pest-repellent properties. The essential oils present in this flea collar are Clove, Thyme, Peppermint, Castor and Lemongrass oil that are very effective in repelling fleas and ticks.

Clove oil, in particular, is a natural insecticide and is excellent in repelling fleas and ticks. But it cannot be applied directly on dogs and should be used in a diltued form in the flea collar. Other essentials oils listed in the Primova flea collar not only repel fleas but also soothe the flea bites and remove itchiness in dogs. This flea collar is perfectly suitable for dogs with sensitive skin as it’s hypoallergenic thanks to the natural ingredients. It will protect your dog from fleas, ticks, and mosquitoes for 8 months.

The collar is designed to be used on small to large dogs as it is adjustable. It can easily fit a large dog like Great Dane and a small dog like Yorkie. Primova is manufactured with high quality waterproof material making it an ideal flea collar for dogs to use while swimming and in rain.

  • Flea collar provides 8 months of protection
  • Repels a whole range of parasites, including mosquitos, fleas, and ticks
  • Contains only natural essential oils
  • May be less effective than collars with synthetic pesticides

3. Hartz UltraGuard Flea and Tick Collar

Hartz UltraGuard is the best cheap flea and tick collar for dogs. It’s a fast-acting flea collar that kills all fleas and ticks in contact with the dog within 1 – 2 days after the start of usage. Hartz UltraGuard kills and repels both fleas and ticks on dogs and also prevents flea eggs from hatching. It provides well-rounded protection to dogs from the flea infestation.

It is mentioned on the product packing that his dog flea collar provides 7 months of protection from fleas and ticks. But many dog owners have commented that it doesn’t last long and its effectiveness is at max 1 month. Although it works it is not as long-lasting as the Seresto Collar. Plus, the insecticide used in Hartz UltraGuard is a safety concern for humans.

If you are on a budget, it’s best to use this flea collar to get rid of all the fleas from your dog. After that opt for a natural flea collar (as recommended above) for 6 – 8 months protection.

  • Cheap
  • Fast action kills all fleas and ticks within 1 – 2 days

4. ROLF Club 3D Flea and Tick Collar for Dogs with 4 Month Prevention

Rolf Club 3D is a Quick Effect dog flea collar. It kills fleas and ticks in contact with your dog within 24 – 48 hours after the start of use. It also effectively protect dogs by repelling fleas and ticks for 4 months.

Rolf Club flea and tick collar is a combination of three potent insecticides: Fipronil, Ivermectin, and Pyriproxyfen. The combination of these active ingredients effectively kills the pests as soon as they come in contact with your dog, protecting them from tick-borne diseases. That’s why the flea collar is very effective for outdoor dogs who attract a lot of fleas and ticks.

Rolf Club flea collar comes in three different sizes depending on the size of your dog. Each flea collar is also adjustable, ensuring a great fit for both small and large dogs. It’s also odorless and water-resistant making it easy for dogs to swim and bath wearing this collar.

  • Quick lead-in time, starts killing ticks and fleas within 24 hours of use
  • Provides 4 months of flea and tick treatment plus prevention
  • Highly effective in controlling a wide range of parasites including ticks, fleas, and mosquitos
  • Due to the potency of the active ingredients, the collar isn’t recommended for puppies

5. Arava Natural Dog Flea & Tick Prevention Collar

The Arava Flea & Tick Prevention Collar is a natural flea collar for dogs that contains only herbals and essential oils as active ingredients. And as a bonus, the collar smells great too. The light and soothing essential oil scent help keep fleas and ticks at bay.

A team of veterinarians and dermatologists designed the Arava Flea & Tick Collar to ensure that their product is effective, pH balanced, and easy on your dog’s skin. The essential oils are directly infused into the collar using patented micro-injection technology, ensuring that they are released slowly and evenly over time. This feature allows the flea collar to protect dogs for up to 6 months and ensures that the essential oils are distributed evenly over your dog’s coat.

Arava flea collar is safe to use for both puppies and adult dogs. It’s safe to use it in a household with other animals, for example, as essential oils are safe for cats, dogs, and any other pets in your home. Thanks to the natural ingredients, the flea collar is also non-toxic to humans.

  • 6 months of natural and safe flea and tick prevention for dogs
  • Adjustable size for small and large dogs.
  • Micro-injection technology ensures an even and steady supply of essential oils to the dog’s coat
  • 30 days Money back guarantee
  • Only provide protection

6. Merck Scalibor Flea Protector Band for Dogs

Merck Scalibor Dog Flea Collar contains Deltamethrin as the active compound. Deltamethrin is a powerful insecticide and highly effective at controlling fleas, ticks, and mosquito infestation in dogs. It is capable of killing fleas at all stages of their lifecycle including eggs, larvae, and adults.

Merck Scalibor has been on the market for several years and has established a reputation as a highly effective and long-lasting flea collar for dogs. It effectively prevents any flea infestation in dogs for 6 months.

The flea collar comes in only one size, and you then get to cut it to the perfect length for your dog. It is water-resistant and completely odor-free, making it a great flea collar to use on indoor and outdoor dogs. Merck Scalibor doesn’t decrease drastically in lifespan even if it gets wet often, so it’s an ideal flea collar for water-loving dogs.

Due to the high potency of this flea collar, it should be avoided on puppies and pregnant dogs.

  • Incredibly potent and effective flea and tick collar
  • Water-resistant and easy to use

Choosing a Dog Flea Collar: How They Work

Tick and flea collars all contain some form of insecticide that’s been proven to be safe for use in mammals and humans. The insecticide is embedded in the plastic collar as either a gas or a liquid. The gas will kill fleas as they bite into the skin, while the liquid is absorbed into the dog’s skin and then kills fleas or ticks when they pierce the skin. In general, liquid-based insecticide collars work better than gas-based ones, as they spread into a larger area, making them more effective overall.

Modern flea collars tend to use liquid active ingredients (we’ve added the active ingredients to each product review above). The best dog flea collar is designed to continuously secrete liquid insecticide which is then absorbed by the natural oils found in the dog’s coat. These oils then spread throughout the coat, offering a much higher level of protection, from tip to toe. How well-distributed the liquid is, and how effective the collar is, will depend on several factors, including:

  • how close to the skin it sits,
  • the age of the collar, and
  • how often the dog gets wet.

The design of modern flea collars has also improved considerably. Modern flea and tick collars will usually contain some sort of anti-oxidant that will protect the collar and insecticide from degradation. Most flea collars are water-resistant and have special mechanisms that prevent your dog from choking or being strangled by the collar. Plus you can use our recommended best dog leash with the flea collar. These precautions, combined with modern insecticides that have passed toxicity screens, means that flea collars are safer to use than ever before.

The flea collar for dogs is designed to work continuously over three to twelve months, depending on the type of insecticide in the collar. While some collars can help treat existing infestations, most collars should be used as a preventative measure. If your dog already has fleas, there are alternative methods to treat the infestation, such as dog flea shampoos or oral medications. Once the infestation has cleared up, you can use a flea collar to prevent new outbreaks from occurring.

Active ingredients in flea and tick collars for dogs

The active ingredients are what determine how safe and effective the flea collar is. For instance, one of the most popular insecticides in collars used to be Tetrachlorvinphos (TCVP), a potent neurotoxin that was an incredibly effective poison. Unfortunately, it proved to also be highly toxic to mammals, causing brain and neurological defects in dogs and humans. It has also been linked to several cancers and was listed by the EPA as a carcinogen in 2016. Symptoms of TCVP exposure included blurred vision, convulsions, pulmonary edema, and nausea.

Luckily, since then there has been a lot of research into safer alternatives that will still be effective against ticks and fleas, but safer for both pets and humans. The most popular of these currently include Deltamethrin, Imidacloprid, and Flumethrin.

  • Deltamethrin: deltamethrin is a neurotoxin that has been shown to be effective in the control of mosquitoes, fleas, and ticks. It’s considered safe for use around humans, but as with any insecticide, it can still produce neurotoxic effects in high enough doses. However, at the doses found in collars, it is considered one of the safest insecticides currently on the market.
  • Flumethrin: unlike Deltamethrin, Flumethrin is mainly used in veterinary medicine to protect animals from parasites such as ticks and fleas. Flumethrin is one of the more common insecticides used in flea collars due to its low toxicity and high efficacy.
  • Imidacloprid: this insecticide works on the nervous system of insects, paralyzing, and ultimately killing them. Since Imidacloprid works on neurological receptors that are found only in insects, it’s much more toxic to insects than to mammals, which makes it one of the most widely used insecticides in the world. It’s used in a huge array of industries, from farming to forestry and of course, in flea collars. It’s moderately toxic to mammals when ingested orally, but has low toxicity when used on the skin.

There are other active ingredients that can be found in some flea collars, such as amitraz and propoxur, but several concerns have been raised about their toxicity and safety. If you do use a collar with one of these ingredients, make sure that you wash your hands thoroughly after handling your pet.

With the rise of the natural movement, many alternative flea collars have come on the market. These will contain essential oils such as peppermint or cedarwood, instead of synthetic insecticides. The EPA lists these oils as compounds that pose little or no risk to humans, making them the safest option around.

They are less effective as an insecticide than synthetic compounds. It’s up to you to decide whether you want an effective but slightly toxic product or one that is less effective but safer to use.

Flea Develops Resistance to Treatment

There is a continuous arms race between insects and insecticides. As insects are exposed to an insecticide, they will start to develop resistance. The insects that survive contact will pass that resistance on to their offspring, meaning the new generation will be even more resistant than the last.

To combat this, flea collar companies keep inventing new insecticides that will work on these resistant populations. What this means is that the longer you use the same type of flea collar with the same active ingredients, the less effective it will become. You’ll notice that your dog will start getting fleas and ticks, despite wearing a collar.

That’s why it’s a good idea to cycle between various collars. By exposing ticks and fleas to new insecticides continuously, you can ensure that they don’t develop resistance to any single insecticide. This will ensure that your collars will remain effective over long periods of time.

Frequently Asked Questions

Are flea collars safe for dogs?

Yes, flea collars have been specifically tested for safety for both dogs and humans. If used as directed, these collars are safe to use. Much of the toxicity of the collar comes from the type of insecticide used, so make sure to read the packaging that comes with the collar.

Some collars aren’t suitable for pregnant or sick dogs, and others should not be used on puppies. When in doubt, consult your vet and read the labels carefully.

Are dog flea collars safe for cats?

In general, no. Cats and dogs have very different physiologies, so what is safe for one may not be safe for the other. Some insecticides, such as permethrin, have been shown to be safe for use in dogs and for humans, but are lethal to cats.

Cat flea collars are specifically designed with cats in mind. They will contain insecticides that are safe for cats and will usually have more robust safety mechanisms in place.

If you have both a dog and a cat in your home, it’s worthwhile to stay away from dog-only flea collars. Any exposure to the insecticide can be harmful to your cat, even if it isn’t wearing the collar itself. If your dog and cat play together, your cat will be exposed to potentially lethal chemicals.

It’s a better idea to use collars that are formulated for both cats and dogs. If you’re ever uncertain about the safety of your collar, speak to your vet or expert to get proper medical advice.

Can I use a dog flea collar on a puppy?

Using a flea collar on a puppy is usually not recommended. Puppies are much more sensitive to irritants and toxic products than adult dogs, and the amount of insecticide in a dog collar may be harmful to your new pup. In general, vets recommend avoiding using any type of flea or tick treatment on a puppy before it is eight weeks old.

If your puppy has a tick or flea infestation, it’s best not to try to treat it yourself and see an expert instead. They’ll be able to advise you on safe ways to combat the infestation and will make recommendations to protect your puppy from further harm as well.

How often should I change the collar?

Different collars have different lifespans, and these can also be influenced by various external factors. In general, collars will last anything between three and twelve months before they need to be replaced. Usually, collars will come with instructions for use, and this will also give you a recommended replacement date.

If your dog is very active, that may affect the lifespan of the flea collar. If your dog gets wet a lot, you may have to replace your collar much sooner than expected. Collars that get damaged, either through rough play or chewing also need to be replaced. If you are using another type of flea and tick medication, make sure to remove the collar in order to limit chemical exposure for your dog.

A good indicator of when to replace a collar is when it stops working and if it isn’t visibly damaged. If you start noticing a few stray fleas or ticks on your dog, it’s a good sign that the collar has reached the end of its lifetime and need replacing.

If you’ve reached the end date given by the manufacturer, however, and the collar still appears to be working, you should avoid the temptation to push it past the end date. Rather replace the collar according to the manufacturer’s instructions and ensure that your pet is parasite-free.

When should I use a tick and flea collar?

There are many different ways to control ticks and fleas in dogs, including drops, shampoos, and flea collars. The type of prevention you use will usually depend on where you live, and the type of dog you have.

If you live in a cold climate, you’ll find that fleas aren’t usually a problem. That means that during the winter months, you may not need to bother with any type of flea prevention at all, and only focus on protection during the summer months.

Fleas love hot summers and can lay up to fifty eggs per day. This means that if you see one or two fleas on your dog, there’s up to a hundred that you are missing. Fleas tend to reproduce when it’s hot, so if you live in an area that is temperate all year round, it’s worthwhile to invest in continuous flea prevention.

While many of us focus on fleas when it comes to parasites on our pets, ticks actually pose much more of a danger. There are many tick-borne diseases that can be fatal to your pet, and ticks are present all year-round. If you live in an area with ticks, or you walk in places where ticks live, you want to ensure that you’re doing everything you can to protect your dog.

The main reason why you’d use a tick and flea collar as opposed to drops or edibles is that it’s cheap, effective, and easy to use. Once you’ve fitted the collar, you can forget about ticks and fleas for up to eight months, and it will only set you back under $100 for that period.

When should I not use a tick and flea collar?

Some tick and flea collars contain very potent insecticides, which are then spread over your dog’s skin. These insecticides can be toxic and even harmful to your pet, especially if they’re old, sick, or pregnant. Many flea collars are also not recommended for use in puppies, or with dogs that have sensitive skin.

That’s why it’s a good idea to discuss tick and flea prevention with your vet. Not only do they know your dog, but they’ll also be able to recommend alternatives and find a solution that works for both you and your pet.

See also:  Tick Removal: A Step-by-Step Guide (for Parents) - Nemours KidsHealth
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