Is Bravecto Safe for Dogs?

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Bravecto is a topical solution that is designed to kill fleas and ticks. 

Before you decide to get this product for your dog, there are a few key things you’ll need to know. There are actually a lot of things about this product that make it potentially dangerous for your canine companion.

How Bravecto Works

Bravecto is an anti-tick and flea product that is available as chewable tablets and a topical solution. The company claims that each dose provides a dog with a maximum of 12 weeks of protection against external parasites. This includes the Brown Dog Tick, Lone Star Tick, American Dog Tick, and Black-legged Tick. It also claims to kill fleas very effectively from every life cycle all the way up to adulthood.

FDA Warning

The FDA issues a memo regarding drugs that are part of the isoxazoline class, which includes Bravecto. This memo states that these medications can be potentially dangerous due to the risk of neurological issues like seizures. While this is not an official recommendation against these drugs, it is still something to consider before making a decision.

Side Effects

There are a number of possible side effects that your dog could experience from Bravecto that you should know about. Some of these side effects are fairly mild, while others are far more serious.

  • Vomiting
  • Diarrhea
  • Flatulence
  • Lack of appetite
  • Increased thirst
  • Seizures
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You should avoid giving this flea and tick medication to your dog if it has a history of seizures. There have been numerous reports of dogs having seizures after being given this medication. You’ll want to make a point of speaking to your veterinarian before giving your dog Bravecto. If your dog has a seizure condition, this medication could make it even worse.

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How to Administer Bravecto to Your Dog

If you are going to give your dog Bravecto, it is important that you follow the instructions on the label carefully. This will minimize the chances of any negative side effects.

1. Tiny Dogs

For very small dogs that weigh between 4 and 10 pounds, you should give a dose of one tablet. Make sure that you purchase the Toy Dog formula.

2. Small Dogs

Small dogs that weigh anywhere from 10 to 22 pounds need a single tablet with a total of 112.5 milligrams.

3. Medium Sized Dogs

Medium size dogs that weigh 22 to 45 pounds should be given one tablet with a total of 500 milligrams.

4. Large Dogs

If you have a large dog that weighs between 88 and 125 pounds, you should give them one tablet with a total of 1000 milligrams.

5. Giant Dogs

If you are treating a giant breed dog that weighs over 125 pounds, you’ll need to give them a total of 1400 milligrams.

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What if I Miss a Dose?

If you miss a dose of your dog’s medication, you should give it to them immediately. You should give them the next dose at the appropriate time as per the instructions.

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Some sources state that Bravecto can be dangerous for certain dogs, especially those with a history of seizures. There is no telling what your dog’s reaction to this medication will be until you administer it.

How to Identify an Overdose

If you accidentally give your dog too much of this medication, it is important that you spot the signs and react as quickly as possible.

The most serious known side effects of Bravecto are seizures. It is fairly easy to tell if your dog is having a seizure. You will notice their body stiffen up with twitching muscles. They will be completely unresponsive and most likely drooling excessively. Some dogs will also vacate their bowels and/or urinate while having a seizure.

It is crucial that you get your dog to the vet right away if it seems like they are having a seizure. The sooner you get the medical attention, the less likely it is that they will suffer any lasting negative effects. Your vet can administer medication to stop the seizure, but you have to act quickly.

Drug Interactions

While the company that makes Bravecto states that there are no potential drug interaction effects, you should consult your veterinarian beforehand. The official statement from the manufacturer of this product is that it does not interact adversely with any antibiotics, steroids, vaccines or other medications.

Benefits of Giving Your Dog Bravecto

There are a few benefits associated with using Bravecto on your dog to consider before making a final decision either way.

1. Works Quickly

Many people find that Bravecto kills fleas on dogs within as little as a couple of hours. It also offers 48-hour protection.

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2. Effective for Ticks

This medication is designed to kill a variety of ticks quite effectively.

3. Easy to Administer

The chewable tablets that are available are easy to administer to your pooch. Most dogs seem to eat them up without any coaxing.

Drawbacks of Giving Your Dog Bravecto

The primary drawback of giving your dog this medication is the potential side effects. There is always a chance that your dog could experience a seizure, which is very serious. There are other less serious possible side effects that can still be unpleasant for your dog.


  • Bravecto is a medication that is designed to kill fleas and ticks on dogs.
  • This medication is available as both a topical and chewable tablets.
  • The FDA has released a memo about this product and similar ones, warning that they have been known to cause seizures in dogs.
  • Some of the common side effects of this medication include vomiting, diarrhea, lack of appetite, flatulence, and increased thirst.
  • It is important that you keep a close eye on your dog after administering this medication.
  • If it seems like your dog is having a seizure, you should get them medical attention right away.
  • It is not recommended that dogs with a history of seizures be given this medication.
  • While Bravecto can work well to remove ticks and fleas, it does come with a fair amount of risk.
  • Consult with your veterinarian before giving your dog this medication.
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