Veterinarians Recommend Top Flea and Tick Treatments for Dogs in 2026

Flea and tick treatments are essential for dogs, as these parasites are prevalent year-round in the U.S. They can cause discomfort, hair loss, scabs, anemia, and transmit various diseases. Chewy veterinarian Stephanie Howe, DVM, emphasizes the importance of prevention, stating that diseases carried by fleas and ticks are much easier to prevent than to treat, particularly in the case of ticks. Many pets also suffer from allergies to fleas, making prevention critical to avoid discomfort.

There is a range of flea and tick treatments available for dogs, including chews, topicals, and collars, some of which also target other parasites. The best treatments are effective, easy to use, formulated for the specific threats to your pet, and supported by scientific research.

When selecting a flea and tick treatment, consulting a veterinarian is crucial. The chosen treatment should match your dog's age, weight, and particular needs. Important considerations include:

- **Prescription vs. Over-the-Counter (OTC)**: Some treatments are available without a prescription, while others require one. Prescription medications are generally preferred by veterinarians as they have undergone extensive safety and clinical testing.

- **Targeted Parasites**: Discuss with your veterinarian the parasites your dog may encounter based on their lifestyle and environment. For example, the Lone Star tick, common in various regions of the U.S., can cause ehrlichiosis in dogs.

- **Health, Age, and Weight**: Treatments may be appropriate for different age groups and health conditions. Some are unsuitable for dogs under 8 weeks old or those with certain health issues.

- **Form of Treatment**: Options include tablets, collars, topical applications, sprays, and shampoos. The ease of administration is crucial for effectiveness.

- **Efficacy**: The duration of treatment effectiveness varies; some medications last only a day, while others can last several months. It's essential to follow dosing directions closely to ensure the treatment works effectively.

In addition to the top choices recommended, other notable treatments include Advantage Multi, NexGard, and NexGard PLUS. Advantage Multi is a topical solution that protects against fleas and multiple worms, while NexGard and NexGard PLUS are chewable treatments that offer protection against various parasites.

The panel consulting on the best flea and tick treatments consisted of veterinarians and veterinary technicians from Chewy, evaluating products based on criteria such as targeted pests, ease of application, effectiveness, safety, and brand reputation.

Veterinarians commonly recommend several effective medications, including Simparica and Credelio chewables, as well as Bravecto topicals. The most suitable flea treatment for your dog will depend on their specific needs.

To effectively eliminate flea infestations, a comprehensive approach is necessary. This includes treating your dog, as well as cleaning the home and yard, since fleas can reside in various stages in the environment. Regular vacuuming and washing pet bedding in hot water can also help.

Flea shampoos and sprays provide immediate relief, with some oral medications acting within 30 minutes. However, long-term prevention is vital to avoid reinfestation. Before combining treatments, consultation with a veterinarian is advisable.