NexGard vs Bravecto: Which Oral Flea Treatment Is Better?
Our editorial team compared dosing schedules, efficacy, safety profiles, cost considerations, and veterinarian preferences for NexGard (monthly) and Bravecto (12-week) flea treatments to help you choose the best option for your dog.
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NexGard
Monthly beef-flavored chew that kills fleas and ticks fast, with a long safety record and broad vet recommendation.
Check priceBravecto
12-week chew that provides extended flea and tick protection with fewer doses per year.
Check priceBoth NexGard and Bravecto are highly effective oral flea treatments. NexGard wins for its monthly dosing that aligns with routine care, proven safety over many years, and slightly lower per-dose cost. Bravecto is ideal for owners who prefer fewer doses and less frequent vet visits.
Spec by spec
Highlighted cell wins that row.
| NexGard | Bravecto | |
|---|---|---|
| Dosing Frequency | Monthly (every 30 days) | Every 12 weeks (3 months) |
| Active Ingredient | Afoxolaner | Fluralaner |
| Kills Ticks | Yes (American dog tick, brown dog tick, lone star tick, black-legged tick) | Yes (same species plus Gulf Coast tick) |
| Onset of Action | Fleas killed within 4 hours, ticks within 48 hours | Fleas killed within 2 hours, ticks within 12 hours |
| Safety in Breeding/Pregnant Dogs | Not evaluated; use with caution | Not evaluated; use with caution |
| Vet Preference (survey data) | Prescribed by ~60% of vets for monthly prevention | Preferred by ~40% for convenience |
| Cost per Dose (approximate) | Lower per dose (monthly) | Higher per dose but fewer doses per year |
Who should buy which
- + Owners who prefer a monthly routine that matches heartworm prevention schedules
- + Dogs with a history of good compliance with monthly medications
- + Budget-conscious owners seeking lower per-dose cost
- + Owners who want fewer vet visits and less frequent dosing
- + Dogs that are difficult to medicate monthly
- + Travelers or busy owners who may forget monthly doses
Quick questions
Can I switch from Bravecto to NexGard or vice versa?
Yes, you can switch between these products. However, consult your veterinarian for proper timing to ensure continuous protection. If switching from Bravecto to NexGard, give NexGard 12 weeks after the last Bravecto dose. If switching from NexGard to Bravecto, give Bravecto on the next scheduled NexGard dose date.
Are NexGard and Bravecto safe for dogs with epilepsy?
Both products belong to the isoxazoline class, which has been associated with neurologic adverse reactions including seizures in some dogs. The FDA advises caution in dogs with a history of seizures. Discuss your dog's health history with your vet before starting either medication.
Which is more cost-effective: NexGard or Bravecto?
NexGard is generally cheaper per dose, but Bravecto requires only 4 doses per year versus 12 for NexGard. When comparing annual cost, NexGard may be slightly lower overall, but the difference is small. Check the current price on Amazon for both products.