Flea, tick & heartworm Dogs & Cats

Bravecto for dogs and cats

Kills fleas and ticks for up to 12 weeks in dogs and cats. Sometimes used for mange and ear mites. [1]

Last reviewed: October 2026 · 3 sources · see sources

Quick answerBravecto (fluralaner) is a prescription medicine for dogs and cats. After it is given, it spreads through the body. Fleas and ticks are exposed when they bite and are killed. The most common side effects: vomiting, diarrhea, low appetite and flaky skin.

Key facts

Generic nameFluralaner
Common brand namesBravecto, Bravecto Plus
Used inDogs & Cats
TypeFlea, tick & heartworm
Prescription?Prescription
Typical US priceNot listed (no reliable public source)

What it's used for

Kills fleas and ticks for up to 12 weeks in dogs and cats. Sometimes used for mange and ear mites. [1]

How it works

After it is given, it spreads through the body. Fleas and ticks are exposed when they bite and are killed. [1]

Side effects and cautions

Common side effects: Vomiting, diarrhea, low appetite and flaky skin. [1]

Use with care: It belongs to the isoxazoline class, which the FDA says has been linked to tremors, wobbliness and seizures in some pets. Tell your vet if your pet has ever had a seizure. [1] [2]

Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.

About dosingDosing is your vet's call. We don't list doses because the right amount depends on your pet's weight, age, health and other medicines. Don't change a dose or stop a medicine without asking your vet, and never give a pet medicine meant for people unless your vet tells you to [3].

What it costs

We don't list a price for this one because we couldn't find a reliable public source. Ask your vet or pharmacy for a quote; prices depend on your pet's size, the dose and where you fill it.

Bravecto FAQ

What is Bravecto used for in dogs and cats?

Kills fleas and ticks for up to 12 weeks in dogs and cats. Sometimes used for mange and ear mites.

What are the side effects of Bravecto?

Vomiting, diarrhea, low appetite and flaky skin.

Does Bravecto need a prescription?

Yes. It needs a prescription from a veterinarian.

How much Bravecto should I give my pet?

Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.

Related medications

Related cost guides

This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.

Sources (3) — tap to show
  1. VCA Animal Hospitals – Fluralaner (veterinary drug handout)
  2. FDA – Fact sheet about isoxazoline flea and tick products
  3. FDA – Frequently asked questions about animal drugs