Do Fleas Have to Bite for Nexgard to Work?

Originally posted on June 2, 2023 @ 12:04 am

Welcome to the discussion on whether fleas have to bite for Nexgard to work. Nexgard is a popular flea and tick medication used to keep our furry friends safe from infestations. However, there is often confusion when it comes to whether fleas have to bite our pets for Nexgard to be effective. In this discussion, we will explore the mechanics of how Nexgard works and answer this common question.

Understanding Fleas and Nexgard

Fleas are a common household pest that can cause irritation and discomfort for both humans and pets. These small, wingless insects feed on blood and can quickly multiply if not addressed promptly. Nexgard is a popular flea and tick preventative medication for dogs that comes in the form of a chewable tablet. But do fleas have to bite for Nexgard to work?

The Role of Flea Bites in Nexgard’s Effectiveness

The short answer is no, fleas do not have to bite for Nexgard to work. Nexgard contains an active ingredient called afoxolaner, which is an insecticide that targets the nervous system of fleas and ticks. When a dog ingests Nexgard, the afoxolaner spreads throughout their bloodstream and is then released through the skin’s oil glands. This means that any fleas or ticks that come into contact with the dog’s skin will be exposed to the insecticide and killed, without having to bite the dog first.

How Nexgard Works to Keep Your Dog Flea-Free

Nexgard works by disrupting the central nervous system of fleas and ticks, causing paralysis and death. The afoxolaner in Nexgard binds to specific receptors in the insects’ nervous system, causing prolonged hyperexcitation that leads to their demise. This means that even if a flea or tick has not yet bitten your dog, they will still be killed upon contact with the dog’s skin.

The Benefits of Nexgard

Key Takeaway: Nexgard, a popular flea and tick preventative medication for dogs, works by binding to specific receptors in the insects’ nervous system, causing prolonged hyperexcitation that leads to their paralysis and death without the need for fleas to bite the dog first. Nexgard is a safe and effective flea prevention option that provides long-lasting protection and is convenient to administer. Pet owners should also be aware of common misconceptions about flea prevention methods, including the belief that fleas are only a problem during the summer or that natural flea prevention methods are always safe and effective.

Convenient and Effective Flea Prevention

One of the main benefits of Nexgard is its convenience. Unlike topical flea treatments that can be messy and time-consuming to apply, Nexgard is a chewable tablet that can be easily administered to your dog. It is also effective in preventing both flea and tick infestations, making it a great option for pet owners who live in areas with high tick populations.

Long-Lasting Protection

Nexgard provides long-lasting protection against fleas and ticks, with a single dose lasting for up to 30 days. This means that you only need to administer the medication once a month, making it a convenient option for busy pet owners.

Safe and Effective

Nexgard is a safe and effective flea and tick preventative medication that has been approved by the FDA for use in dogs. It is also effective in killing fleas and ticks that have developed resistance to other insecticides, making it a great option for pet owners who have tried other flea treatments without success.

Common Misconceptions About Flea Prevention

Myth: Fleas Only Affect Dogs During the Summer Months

Many pet owners believe that fleas are only a problem during the summer months when temperatures are warm. However, fleas can survive and reproduce year-round in indoor environments, making them a year-round problem for dogs.

Myth: Flea Collars Are the Best Way to Prevent Fleas

Flea collars are a popular flea prevention method, but they are not always the most effective. Many flea collars only protect the area around the dog’s neck, leaving the rest of their body vulnerable to flea infestations. Additionally, some flea collars contain toxic chemicals that can be harmful to pets and humans.

Myth: Natural Flea Prevention Methods Are Always Safe and Effective

While natural flea prevention methods can be effective, they are not always safe for pets. Essential oils and other natural remedies can be toxic to dogs if ingested or applied improperly. It is important to speak with your veterinarian before using any natural flea prevention methods on your dog.

FAQs for the topic: do fleas have to bite for nexgard to work

What is NexGard?

NexGard is a prescription medication designed to kill adult fleas on dogs. It is a chewable tablet that contains the active ingredient afoxolaner, which works by killing fleas before they can lay eggs.

Does NexGard require fleas to bite my dog to work?

No, NexGard does not require fleas to bite your dog before it starts working. The active ingredient in NexGard is absorbed into your dog’s bloodstream and is toxic to fleas. Once a flea feeds on your dog’s blood, it starts ingesting the medication, which ultimately kills the flea.

How long does NexGard take to start working against fleas?

NexGard begins working against fleas within 4 hours of administration. This means that any fleas on your dog at the time of administration will soon be killed, and any new fleas that jump on your dog will also be killed before they have a chance to lay eggs.

How long does the protection from NexGard last?

NexGard provides up to 30 days of protection against fleas. This means that if you give your dog NexGard once a month, your dog can be protected from flea infestations throughout the year.

Is NexGard safe for dogs?

NexGard is safe for most dogs when administered according to the manufacturer’s directions. However, some dogs may experience side effects from the medication, such as vomiting, diarrhea, or lethargy. If you notice any unusual symptoms after giving NexGard to your dog, you should contact your veterinarian immediately.