Will My Dog Get Sick After A Flea Preventative?

by | Last updated on January 24, 2024

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Fortunately, there are a variety of products available to help prevent infestation. When used as directed, such products are safe and effective. However,

dogs and cats can easily become sick if too much or the wrong flea product is applied, or the product is ingested post-application

.

Does flea treatment make dogs act weird?


Your dog acting weird after flea medicine can manifest in different ways. They may become restless and start to walk around the home aimlessly

. They may look like they are freaking out, but this is usually due to their confusion at other symptoms.

How long do flea treatment side effects last?

These sensations begin within 30 minutes of application and may last

8 to 24 hours

if untreated.

How long does flea medicine stay in a dog's system?

The most popular flea and tick medications for dogs and cats last for

at least a month

; some are even effective for eight to twelve weeks!

Why is my dog sick after flea treatment?

Symptoms of Pyrethrin and Pyrethroid Toxicity in Dogs


Most of the time, flea and tick medicine poisoning occurs due to the ingestion (whether accidentally or intentionally) of the medicine

, as opposed to the application. However, poisoning can occur due to application only.

What is the safest flea and tick prevention for dogs?

If chemical products are necessary for additional flea or tick control, NRDC recommends

s-methoprene or pyriproxyfen

, which are less toxic ingredients—but read the labels carefully because some products use them with other, more harmful pesticides.

Can flea treatment make dog lethargic?

However, both dogs and cats can have serious adverse reactions to some of these ingredients, even when the product is used according to label directions.

Side effects can include skin irritation, agitation or lethargy

, vomiting, tremors and seizures.

Does flea treatment hurt dogs?

CBC Marketplace has discovered that more than 2,000 animals are reported to have died in North America since 2008 as a result of exposure to flea and tick treatment products, which can contain dangerous chemicals that kill but can also harm pets.

Can I touch my dog after applying Frontline?

Can I handle or stroke my pet after applying FRONTLINE Plus® / FRONTLINE Tri-Act® / FRONTLINE® Spot On?

You can handle, stroke and cuddle your pet as usual as soon as the application site is dry

. In the meantime treated animals should not be handled and children should not be allowed to play or sleep with them.

What flea medicine is killing dogs?

ATLANTA — Thousands of dog owners worldwide blame a popular flea killer for harming their pets. Channel 2 Consumer Investigator Jim Strickland has obtained records showing dog owners believe the drug is connected to hundreds of pet deaths. The medication is called

Bravecto

.

Can Frontline cause vomiting in dogs?

Frontline Plus for dogs is generally safe to use and causes few side effects. Mild skin irritation may occur but should clear up quickly.

Additional side effects may include vomiting, diarrhea, and seizure

. However, these side effects are extremely rare and tend to affect smaller dogs.

What are the side effects of Advantage flea medication?

Ingestion of this product by dogs may cause serious adverse reactions including

depression, salivation, dilated pupils, incoordination, panting, and generalized muscle tremors

.

How long does it take for flea prevention to work?

Like many things in life, it's not as simple as that! Modern flea treatments, such as FRONTLINE, don't work by stopping fleas from jumping on your pet- they are effective at killing newly arriving fleas within

24 hours

.

How often do dogs need flea and tick prevention?

How to Prevent Flea and Tick Infestations. Once your puppy is old enough, it's important to start using a

monthly

flea and tick preventive medication to help ensure that your dog won't be affected by fleas or ticks in the future. Many of the treatments available and are effective for preventing both fleas and ticks.

Do dogs need monthly flea treatment?


You should de-flea and worm your pet once a month

. Not only will this prevent them from experiencing the side effects of either condition, but it'll allow your pet to be completely protected and free from suffering.

How long do Frontline side effects last?

These effects should all subside

within 24 hours

of applying Frontline Plus; if they persist then you should contact your veterinarian.

Is flea and tick medicine harmful to dogs?

Labels on the products need to lay out more clearly how to use them safely, the FDA says. Pills or chews that protect dogs and cats against fleas

can cause neurological problems such as stumbling or seizures

, and pet owners need more warning, the Food and Drug Administration said Thursday.

Can dogs have an allergic reaction to flea medicine?


Some dogs are sensitive to such topical medications and can develop allergies to these products

. Another form of flea treatment is an ingestible pill. If you give your dog one of these treatments and then he develops allergy-like symptoms or begins to act abnormally in any way, contact your veterinarian.

What flea and tick medicine is causing seizures?

Health officials are alerting pet owners and veterinarians that certain flea and tick treatments might put dogs and cats at an increased risk of neurologic issues, including seizures. The U.S. Food and Drug Administration says the drugs are in the isoxazoline class and include

Bravecto, Credelio, Nexgard and Simparica

.

Does my dog need flea and tick medicine in the winter?

Yes. Though many species of ticks and fleas are slowed down or dormant during the winter, certain areas of the United States are not cold enough to truly kill these parasites and stop their activity. Because ticks and fleas can carry diseases that could harm your dog,

it's best to keep them protected all year long

.

Is oral or topical flea prevention better?

A study published in Veterinary Parasitology seems to back up the veterinarians and flea product makers. The ninety-day study found that

topicals were 88.4 percent effective, while oral treatments were 99.9 percent effective

.

Does Frontline make your dog sleepy?


Ours tend to sleep more the day we use the product

(not sure if it's the Frontline brand, but it is a treatment we get from the vet). We've used it for several years with no other ill effects. It would be a good idea to make sure you're using the right dosage for the dog's weight.

How long after flea treatment can I pet my dog?

Ideally, with any topical flea-and-tick treatment, manufacturers recommend you

wait until the product is dry

before petting your dog.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.