Credelio and Bravecto both provide reliable flea and tick protection for dogs, but their dosing schedules and age requirements are different. Credelio contains lotilaner and is given as a monthly chewable starting at 8 weeks of age. Bravecto contains fluralaner and offers up to 12 weeks of protection per dose, but is approved for dogs 6 months and older. Both products target five major tick species. These differences in dosing and age eligibility can help determine which option fits your dog and your routine best.

Here’s how the two products stack up side by side, from active ingredients to dosing schedules.
| Features | Credelio | Bravecto |
| Active Ingredients | Lotilaner | Fluralaner |
| Duration of Protection | 1 month / 30 days | 12 weeks for fleas and most ticks; 8 weeks for Lone Star ticks |
| Heartworm Protection | No | No |
| Roundworm Protection | No | No |
| Hookworm Protection | No | No |
| Whipworm Protection | No | No |
| Tapeworm Protection | No | No |
| Flea Protection | Yes | Yes |
| Tick Protection | Yes – 5 tick species | Yes – 5 tick species |
| Form | Beef-flavored chewable tablet | Flavored chew |
| Administration Frequency | Once a month | Once every 12 weeks |
| Suitable for Dogs | Dogs and puppies 8 weeks+ and 4.4 lb+ | Dogs and puppies 6 months+ and 4.4 lb+ |
| Broad-Spectrum | No – primarily flea and tick protection | No – primarily flea and tick protection |
| Additional Parasites | Helps prevent Borrelia burgdorferi infection by killing Ixodes scapularis vector ticks | No additional parasite protection specified |
| Side effects of Active ingredients | Vomiting, diarrhea, lethargy, anorexia, seizure, pruritus, ataxia, urinary-related signs, muscle tremor | Vomiting, decreased appetite, diarrhea, lethargy, polydipsia, flatulence; seizures, tremors and ataxia have also been reported |
| Best fit | Dogs needing monthly flea and tick protection, including younger puppies from 8 weeks | Dogs needing longer-lasting flea and tick protection with dosing every 12 weeks |
| Veterinary Guidance | Recommended; use with caution in dogs with a history of seizures or neurologic disorders | Recommended; use with caution in dogs with a history of seizures or neurologic disorders |
When to choose Credelio?
Have a young puppy: Credelio can be given from 8 weeks of age, while Bravecto is labeled for dogs 6 months and older, so it’s an option for puppies who aren’t yet eligible for Bravecto.
Prefer a monthly routine: Credelio is a monthly chewable that fits easily into a regular parasite-prevention schedule, which can be simpler to manage than Bravecto’s 12-week dosing interval.
Want faster full flea effectiveness: Credelio reaches 100% effectiveness against adult fleas within 12 hours, compared with 48 hours for Bravecto, so full flea control kicks in sooner.
Worried about Lyme disease: Credelio is indicated to help prevent Borrelia burgdorferi infection by killing black-legged ticks, adding a layer of protection beyond general flea and tick control.
Your dog is exposed to a variety of tick species: Credelio kills five major tick species listed, including Lone Star, American dog, black-legged, brown dog, and longhorned ticks.
Only need short-term parasite protection: If parasite exposure in your area is low and you only need protection for one month, Credelio may be a more cost-effective choice than a longer-acting option.
Have a dog that does well with chewables: Credelio comes as a beef-flavored chewable tablet, making it a convenient option for dogs that accept oral medications easily.

When to choose Bravecto?
Want longer protection from a single dose: Bravecto provides flea and tick protection for up to 12 weeks, compared with Credelio’s 30-day coverage, so one dose carries your dog much further.
Prefer fewer doses to keep track of: with dosing every 12 weeks instead of monthly, Bravecto works out to about 4 doses a year, which can make long-term prevention easier to manage and reduces the chance of forgetting a scheduled dose.
Need fast relief once fleas show up: Bravecto starts killing fleas within 2 hours of administration, compared with 4 hours for Credelio, so your dog gets relief a bit sooner.
Your dog is exposed to ticks for extended periods: Bravecto provides 12 weeks of control for black-legged, American dog, brown dog, and longhorned ticks, and 8 weeks for Lone Star ticks, well beyond Credelio’s 30-day window.
Prefer not to think about flea and tick medication every month: a single Bravecto chew covers a substantially longer stretch than one Credelio dose, which can suit owners who’d rather deal with dosing less often.
Have an adult dog 6 months or older: Bravecto is labeled for dogs in this age group, and its longer dosing interval can be a real advantage over Credelio’s monthly schedule for dogs who qualify.
Have a breeding, pregnant, or lactating dog: this is a case where veterinary guidance matters most, since Bravecto’s label includes safety information and reported adverse events in breeding females, while Credelio’s label states that safe use hasn’t been evaluated in these dogs, so neither product should be assumed safer without your vet’s input.

Which one is the better fit for your dog?
There is no single winner between Credelio and Bravecto. The better option depends on your dog’s age, lifestyle, and how often you prefer to give parasite prevention.
Credelio may be a better fit if:
- You have a young puppy, as Credelio can be used from 8 weeks of age, while Bravecto is approved from 6 months.
- Fast flea control is important to you. Credelio can achieve 100% adult flea kill within 12 hours, compared with up to 48 hours for Bravecto.
- You prefer a monthly routine for flea and tick prevention and want parasite protection to fit easily into your existing schedule.
Bravecto may suit you better if:
- You want fewer doses to remember, with each Bravecto dose providing up to 12 weeks of protection compared with Credelio’s 30-day coverage.
- Your dog regularly encounters ticks and would benefit from longer-lasting protection.
- You have an adult dog aged 6 months or older that is suitable for Bravecto’s extended dosing schedule.
Once you know which option better matches your dog’s needs, the comparison table below breaks down the key differences side by side.
There is no one-size-fits-all choice between Credelio and Bravecto. Credelio can be a practical option for younger puppies or for owners who prefer monthly dosing, while Bravecto may be more convenient if you want longer intervals between doses or your dog spends a lot of time in tick-prone areas.
Before deciding, it’s a good idea to check with your veterinarian. They can help you choose based on your dog’s age, health, lifestyle, and local parasite risks. Whichever option you use, staying consistent with the recommended schedule can help provide ongoing protection against fleas and ticks throughout the year.
Lily Watson is an author specializing in veterinary care in Australia. With a profound passion for animal welfare and a solid foundation in veterinary science, Lily has dedicated herself to disseminating valuable knowledge and information for both pet owners and professionals in this field.

