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Seizures and Frontline – My Experience

*Side Note* These are my own personal experiences and might be helpful to pet owners whose pups also have seizures.

As many of you know, my now 4 year old golden Kody started to have seizures when he was 3 years old. I had never witnessed a seizure before in a canine or human so when it happened I had no clue what was going on or what to do. It was the most terrifying event I have ever observed.

The first seizure occurred around 9pm, after we called for Kody to go potty before bed. While he was walking into the kitchen it struck. It was almost like he knew we were there, however he was trembling and had no mobility of his legs or body. Once it was over he seemed a little out of it, but began acting normal about 30 minutes later.

The next day we brought Kody to the vet, where they said it sounded like a mild seizure. I agreed to run blood work to test for blood counts and thyroid to name a few. The blood work came back normal, so the vet diagnosed Kody with Epilepsy. We left that day with the instructions to keep a journal if he should have any more seizures and to call if they became more frequent or get him in immediately if they lasted more than 5 – 6 minutes.

Kody did have another seizure 6 months later and has since had two more that were 2 months apart. The last one was in mid-June. Kody has cluster seizures. He will go into the first one that can last between 2 – 3 minutes. He comes out of it, but goes right into another one that will last about the same amount of time.

I attended the Holistic seminar when the Golden Retriever Rescue sponsored Dr. Chapman. She was talking about pet owners that come into her office for their pet’s annual evaluation, and they sit there like she is supposed to do all the work. She was saying how some pet owners do not talk to her or tell her how their pet has been behaving, and she made a comment that I believe was just a very random remark and she said, “You should be able to tell your vet things like your pet becomes depressed after you apply Frontline.” And it hit me like a ton of bricks, Kody does that. In fact, he had actually begun to HATE me applying it and I would have to chase him down to give it to him. Looking back, I should have caught that was a sign of some sorts, but I didn’t.

So I stopped giving both my dogs Frontline. I began to give them Garlic Tablets that also contain Brewer’s Yeast that I purchase from this website: I had them on this for about a month and a half, and had not seen any fleas. Then one day I noticed Kody scratching and I checked and saw a flea. I overreacted and gave him Frontline, and 2 days later Kody had a seizure.

Now, I don’t know that Frontline is the reason Kody began having seizures, but I do believe Frontline is a trigger. You’ll read on many Epilepsy forums that you should avoid using heavy cleaning products in your home, and to be cautious of poisons in your yard ect.. with an epileptic pet. I have not given Kody another application of Frontline, and we are coming up on 4 months of being seizure free.

So my point of this long post is that if your pet does have seizures, maybe you just have not connected what the trigger is or maybe that they occur around the time you apply Frontline.

To protect against fleas and ticks, I do continue to give them a daily dose in their evening food of the Garlic Tabs (I give them 1 pill for every 10 lbs they weigh) and  I have also began using a mixture of essential oils. I mix together oils such as Lavender, Eucalyptus Oil, Citronella Oil, and cedar oil. Here is the website I used to make my concoction and this is the website I used to purchase the oils from:

It does make the coat a little oily, but I can deal with that to avoid seizures.  It also smells good 🙂


1 pat { 10.12.11 at 8:24 am }

Thanx for posting Kim. I think this is a good lesson for all of us to pay attention when our critters try to tell us something like Kody did with his frontline.

2 Sabrina { 08.06.15 at 8:08 pm }

My Pug, Sherman, is 2 years old and has been perfectly healthy with no medical issues at all. Gave him frontline plus 24 hours ago exactly and he just had a full blown seizure! It scared us to death because we thought he was choking on something since we have never witnessed a canine seizure. He will not be getting this medication again. Period.

3 Les { 11.05.15 at 5:50 am }

My 6 yo Westie, I gave a combined Flea-Lungworm med on her coat called Advocate for years. No problems. Then I stopped using it for a few months and so, some months later, I mistakenly bought Frontline instead of Advocate (boxes look similar). About 24 hours after the dose she had a terrifying seizure, unable to stand up, trembling, looking around with a wide eyed look as if watching invisible birds flying around. Then she became very hot, panting with her tongue out fully. It passed after 30 minutes.

4 Angel Trygar { 06.11.16 at 2:16 pm }

Thank you for posting this. My dog Coco who is almost four years old had a frontline plus treatment last sunday. She has had a few seizure episodes ever since I am not sure what to do 🙁

5 Kim A. { 06.16.16 at 6:00 am }

Angel, I would suggest taking Coco to the vet to make sure no other medical conditions are occurring to cause multiple seizures.

On another note, we have had good success with Bravecto not causing seizures. Kody still has 2-3 seizures a year but not as many or immediately after as he did on Frontline.

6 Karl { 06.16.16 at 11:49 am }

We have used Frontline for 20 plus years on 4 different dogs with no issues. Kim, if I understand your last comment, Kody still has seizures, albeit not as often. Does your vet believe Frontline actually causes seizures or is a trigger for seizures that are the result of epilepsy or some other malady?

7 Alice Ulrich/ pal- Watson { 07.24.17 at 8:54 am }

Whenever I would give Watson Frontline he would try to get away. I always wondered why. He knew something was not right. Smart dog!!

8 Julie { 11.12.17 at 10:53 am }

My dog Mundy had head seizures last month after Frontline. I didn’t get that it was from this topical medicine until this month…Mundy, a Cairn Terrier is ten year’s old and had three head seizures and a full body seizure this month. My vet upped his Frontline to the doseage of 23-44 lbs due to him gaining two pounds 21 to 23 pounds. The increased amount put him into seizures. The neurologist ran numerous tests and the dog is 100% healthy. Frontline is a disaster to our pets.

9 Tim { 02.15.18 at 7:26 pm }

I also have had problems with Frontline. All the vets I’ve known say there’s no problem, but my own experience is I have put it on two cats which I never saw again and one dog that got very sick. I will never use Frontline again.

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