Bravecto (Fluralaner) Dose for Dogs: Strengths & Dose Calculator
Bravecto chews contain fluralaner and are given to dogs from 6 months and 4.4 lb once every 12 weeks, at a minimum of 25 mg/kg (every 8 weeks for lone star ticks) [1]. The chew is chosen by weight band: 112.5, 250, 500, 1000 or 1400 mg [1].
- Contains
- Fluralaner
- Forms
- Bravecto chews
- Label species
- Dogs
- Data from
- USA (FDA label)
- Type
- Antiparasitic (fleas & ticks)
Bravecto dose calculator
Results are calculated in your browser from the doses and strengths on this page. Check the strength printed on your pack and the label in your country before giving any dose.
Bravecto strengths and presentations
| Presentation | Contains | Strength check |
|---|---|---|
| Bravecto chews PO | Fluralaner by weight band (below)[1] 112.5–1400 mg — by weight band. | Confirmed |
| Body weight | Give |
|---|---|
| 4.4–9.9 lb (2–4.5 kg) | Bravecto 112.5 mg |
| 9.91–22 lb (4.5–10 kg) | Bravecto 250 mg |
| 22.01–44 lb (10–20 kg) | Bravecto 500 mg |
| 44.01–88 lb (20–39.9 kg) | Bravecto 1000 mg |
| 88.01–123 lb (39.9–55.8 kg) | Bravecto 1400 mg |
| Over 123 lb: give the appropriate combination of chews. | |
Bravecto dose by species
| Species | Use | Dose | Route | How often | Basis |
|---|---|---|---|---|---|
| Dogs | Fleas and ticks Minimum dose. | 25 mg/kg[1] | PO | Every 12 weeks (8 weeks for lone star tick) | Label |
Label directions
- Give orally as a single dose every 12 weeks at a minimum of 25 mg/kg; every 8 weeks where lone star ticks are a risk [1].
Warnings and precautions
About fluralaner (the active ingredient)
Isoxazoline ectoparasiticide.
How it works
Fluralaner inhibits the arthropod nervous system by antagonising ligand-gated chloride channels [1].
Key safety points
- Isoxazolines have been associated with neurologic adverse reactions including tremors, ataxia and seizures — use with caution in dogs with a history of seizures [1].
Frequently asked questions
Which Bravecto size for my dog?
4.4–9.9 lb: 112.5 mg; over 9.9–22 lb: 250 mg; over 22–44 lb: 500 mg; over 44–88 lb: 1000 mg; over 88–123 lb: 1400 mg; over 123 lb: a combination [1].
How long does Bravecto last?
One dose every 12 weeks for fleas and most ticks; every 8 weeks for lone star ticks [1].
More from MSD Animal Health (Merck Animal Health in the US)
Bravecto is a trademark of its owner. This page is an independent clinical reference and is not affiliated with MSD Animal Health (Merck Animal Health in the US). Strengths, species and withdrawal periods can differ between countries — always follow the pack insert in your country.
References
- BRAVECTO (fluralaner) chewable — label
Passage read from this source
minimum dose of 11.4 mg/lb (25 mg/kg) body weight
administered orally as a single dose every 12 weeks
may be administered every 8 weeks in case of potential exposure to Amblyomma americanum ticks
dogs and puppies 6 months of age and older, and weighing 4.4 pounds or greater.
For veterinary professionals. Information supports — never replaces — clinical judgement; always check the current product label and local regulations.