7 Best Flea & Ticks Preventive Products For Dogs By Vet

By | February 25, 2026
Top 7 Vet-Recommended Flea & Tick Preventives for Dogs

Flea and tick infestations are one of the most common challenges faced by dog parents. The pesky parasites attack our fur balls and subject them to discomfort and several vector-borne diseases. Therefore, dog parents must use effective flea and tick preventives to keep their canine companions protected from the harmful organisms. If you’re new to dog parenthood and don’t know much about the appropriate flea and tick preventives, you’ve come to the right place. In this blog, we will shed light on the top 7 vet-recommended flea and tick preventives for dogs to help you make your preferred choice.

Let’s get started!

Top Vet-Recommended Flea and Tick Preventives for Dogs

Here are some of the top flea and tick preventives for dogs according to veterinarians.

  • NexGard

NexGard comes in the form of highly palatable beef-flavored chews formulated for monthly administration. It is indicated for the treatment of adult fleas and ticks and the prevention of flea infestations in dogs. The treatment aids in the control of tick infestations caused by black-legged ticks, American dog ticks, lone star ticks, longhorned ticks, and brown dog ticks for one month. It also helps prevent Lyme disease by directly killing black-legged ticks.

Product Form: Oral Chews

Available Packs: 3 Doses, 6 Doses, 12 Doses

Active Ingredient: Afoxolaner

Recommended For: Dogs & puppies from 8 weeks of age, weighing at least 4 lbs

  • Simparica Trio

Offered in the form of pork liver-flavored chewables, Simparica Trio is indicated to kill adult fleas and treat and prevent flea infestations. It also treats and controls tick infestations caused by lone star ticks, Gulf Coast ticks, American dog ticks, black-legged ticks, brown dog ticks, and Asian longhorned ticks. The treatment is designed for monthly administration and helps prevent Lyme disease infections by directly killing black-legged ticks. It also prevents heartworm disease caused by Dirofilaria immitis and treats and controls roundworm and hookworm infestations.

Product Form: Oral Chews

Available Packs: 3 Doses,6 Doses

Active Ingredients: Sarolaner, Moxidectin, and Pyrantel

Recommended For: Dogs & puppies from 8 weeks of age, weighing at least 2.8 lbs

  • Bravecto

Bravecto comes in the form of flavored chews indicated to kill adult fleas and treat and prevent flea infestations in dogs. It also treats and controls tick infestations caused by several tick species like black-legged ticks, American dog ticks, brown dog ticks, and Asian longhorned ticks for 12 weeks and treats and controls lone star tick infestations for 8 weeks.

Product Form: Oral Chews

Available Packs: 1 Dose, 2 Doses,3 Doses

Active Ingredients: Fluralaner

Recommended For: Dogs and puppies from 6 months of age, weighing at least 4.4 lbs.

  • Seresto Collar

The odorless and water-resistant Seresto Collar is designed to protect dogs against external parasites for 8 months. It is indicated to kill and repel fleas and ticks (black-legged ticks, American dog ticks, brown dog ticks, and lone star ticks) through contact. The collar also controls and kills chewing lice.

Product Form: Collar

Available Packs: 1 Collar

Active Ingredients: Imidacloprid & Flumethrin

Recommended For: Dogs and puppies from 7 weeks of age

  • NexGard Spectra

The oral treatment Nexgard Spectra is formulated to kill fleas and treat and prevent flea infestations. The monthly treatment also treats and controls tick infestations caused by Asian longhorned ticks and brown dog ticks. It also helps prevent heartworm disease caused by Dirofilaria immitis. The formula also treats and controls gastrointestinal worms like roundworms, hookworms, and whipworms, besides mange and mites.

Product Form: Oral Chews

Available Packs: 3 Doses, 6 Doses

Active Ingredients: Afoxolaner & Milbemycin Oxime

Recommended For: Dogs and puppies from 8 weeks of age, weighing at least 4.40 lbs

  • Frontline Plus

Frontline Plus comes in the form of an easy-to-administer topical formula designed for monthly administration. It is indicated to kill fleas, flea eggs, and flea larvae. It also prevents all flea life stages from developing and treats fleas, which may cause flea allergy dermatitis. The formula further treats tick infestations caused by Brown dog ticks, lone star ticks, American dog ticks, and black-legged ticks. Additionally, it kills ticks that may transfer Lyme disease, Rocky Mountain Spotted Fever, and other tick-borne diseases. Frontline Plus also helps eliminate chewing lice and sarcoptic mange infestations.

Product Form: Topical Formula

Available Packs: 3 Doses, 6 Doses

Active Ingredients: Fipronil & (S)-methoprene

Recommended For: Dogs and puppies from 8 weeks of age, weighing at least 5 lbs

  • Simparica Chewables

Simparica Chewables comes in the form of flavored chews indicated for the treatment and prevention of flea infestations. The formula also treats and controls tick infestations caused by lone star ticks, Gulf Coast ticks, American dog ticks, black-legged ticks, brown dog ticks, and Asian longhorned ticks for one month. It also prevents Lyme disease by directly killing black-legged ticks.

    Product Form: Oral Chews

    Available Packs: 3 Doses, 6 Doses

    Active Ingredients: Sarolaner

    Recommended For: Dogs and puppies from 6 months of age, weighing at least 2.8 lbs

    Frequently Asked Questions

    What are the most effective types of flea and tick preventives?

    Flea and tick preventives come in the form of oral chewables, spot-on topical treatments, and collars.

    When should I start flea and tick prevention on my puppy?

    Most flea and tick preventives can be initiated when puppies are 8 to 12 weeks old and weigh at least 2 – 4 lbs. However, always consult a veterinarian to decide on a product appropriate for your puppy’s age and weight.

    How long do flea and tick preventives remain effective?

    Most of the flea and tick preventives remain effective for 30 days. However, some treatments, such as Bravecto, offer protection for up to 12 weeks. Also, flea and tick collars offer protection for up to 8 months.

    Can I use the same flea and tick preventive for my cat and dog?

    You should not use the same flea and tick preventives for both dogs and cats, unless recommended by a vet.  Treatments formulated for one species can be toxic for another.

    Which treatment is better? Simparica or Simparica Trio?

    Simparica Trio is the advanced version of Simparica with certain superior features. When it comes to flea and tick treatment, both treatments are effective. However, if a dog is infested with worms, you will have to go for Simparica Trio.

    Concluding Note

    At BestVetCare, we carry the above-mentioned flea and tick preventives and a plethora of other treatments and pet essentials. Check out our online store to get your hands on your preferred products at unbeatable prices.