K9 Advantix Allergies in Dogs

I’ve had my terrier mix for 10 years now he’s always been fine with Advantix an advantage always been sensitive to flea bites had irritated skin from flea bites so I decided to put them on preventative Advantix up until two years ago I haven’t been able to use Advantix either one of them because he had an allergic reaction and had to go to the emergency veterinarian to treat him for allergic reaction where he was panting restless and huge Hives . I have no idea how to help him what other flea prevention can I give him without risking his life? thank you.

I noticed a small area of redness on my dogs side where he is scratching with his back paw. It was after applying the advantex but I'm not completely sure it was from that. It wasn't on the site where applied. So if it may have caused a small skin irritation should I use it again or discontinue using that one? (80lbs dog used 55+ k9 advantix)

Hi, I've used advantix on my beagle for 7 years and she seems ok. But after 2 months of using it on my boyfriends 11 year old Shephard he seems to have severe dandruff. Could this be from the advantix? It is also June in New York so it could just be seasonal? Thanks!

I applied adavntix to my chihuahua last night (used proper dose for his size) almost 2 hours later started itching like crazy and trying to bite and lick the foot he was scratching with. I gave him a bath to wash it all off and some Benedryl on my vets advice. But this morning he is still biting at his foot I did notice a small blister like area on the foot which was not there before treatment. Any advice on what I can do to help ease the foot irritation now!

I put K9 Advantix II on my 10 lb Pomeranian and by the next day she had explosive and watery diarrhea. I took her to the vet and checked her for intestinal parasites and was clear. We are going on week 3 and the diarrhea is more solid but mushy despite her being on a bland diet this entire time. I had never used this product before and am wondering if it is possible that the Advantix is what is causing her diarrhea? Otherwise she has been fine. Same energy level, same appetite, etc. ideas???

What are the major neurological and general side effects of K9 Advantix II? I think my dog may be having a reaction. I gave her her first ever dose on 5/16 and about an hour later she started becoming agitated and uncomfortable. She was scratching at her back where I put the application. Maybe 5 hours later her reaction wasn’t so bad but she was still trying to get at her back. Never had these kinds of symptoms in the past when I used Frontline Plus or Revolution so I’m assuming it is something in Advatix that is causing this. It is now 5/19 early in the morning and she is still scratching her back. It is not as bad as he first few hours post application but she still occasionally tries to get at her back. My dog has allergies/dry skin and sensitive skin so I’m used to her scratching but it was the reaction she had after I put the drops that worries me as well as she never really scratches her back normally. Her skin never really turned red or developed hives and she is still drinking, eating, using the bathroom and nearly acting like her normal lively self other than her being uncomfortable in her back region. Not really shaking or sleeping differently either. Sometimes though, and I started noticing this yesterday, she runs and kind of leans to one side like her back is crooked or something. It does not happen every time she runs but when it does happen she doesn’t run far and then sort of stops running to scratch her back so maybe she does that because she’s uncomfortable. She’s not stumbling and her balance is okay, would this classify as neurological symptoms from the medicine, or should I be on the lookout for something else. Also how long would I expect this reaction to last. It has been just about 72 hours since application. When would it be necessary to take her to a vet?

I gave my do K9 advantix II May and June 21st. July 21st he became very ill. Very lethargic, nausea and vomited once. He will not eat. His fever went to 104. Could this be a reaction to the Advantix? His blood work, xray and ultra sound and normal. The fluid treatment is bringing his fever down.

I gave my 3 month old shiba Inu and 5 year old papillon k9 advantix the night of two days ago and just this morning the both of them have started itching and biting themselves nonstop!! We’ve used this product on the both of them before. We started to switch my shibas food last night and he threw up his food. Then this morning I woke up to him gagging but he never threw up. That was when both dogs started to itch and I realized that it was probably not the foods fault but the k9 advantix. Help?

We recently rescued an 18-lb.,8 yr old shihtzu that was treated with K9 Advantix II the day we brought him home. He seemed ok for the first few days, but as time has gone on, he has stopped eating,seems lethargic just wanting to lay in his crate/sleep all day. Could this be caused by the K9 Advantix treatment? It was a week & a half ago that he was treated with Advantix, & these symptoms have begun just over past few days. Before this, he enjoyed walking, playing fetch, & was eating ok. Please help!! Thank you.

Applied Advantix II as directed (and as I have been doing for years) yesterday, late morning. This morning she threw up her breakfast and, after her walk, took a healthy drink of water which came up about 2 minutes later. Her BM has also gotten quite soft. I can think of nothing else that has changed in the past few days and I'm puzzled by the timing of this.
Right now, I've been giving her small helpings of cooked rice which she has held down so far. For this latest feeding, I added a half of a pack of FortiFlora (a probiotic) to help with the stool issue.
Any other ideas?

Can previous flea bites still itch and how long? My dog is very sensitive to flea bites. But this isn't the first time you've had a fleas. When he was a puppy he had fleas but then they were not bothering him he didn't scratch he didn't bite himself. Anyways on May 26th the vet told me my dog had fleas. Applied Frontline that day vacuumed that day and have been vacuuming ever since every other day. Had my carpet steam cleaned and been fighting this very aggressively. Prior to May 26th he was scratching a lot for a month couldn't find any fleas so thought this was allergies from the environment. I have switched over to Advantix because they say it repels fleas seems like it's working so far in the last 3 days my dog has scratched maybe once or twice. I use a flea comb on him everyday last two weeks and I might have found two or three fleas although that may mean nothing. So I'm wondering if old flea bites can still cause my dog to scratch

I applied K9dvantixIi to to my lab on Thursday. On Saturday she became very lethargic and would not eat.. On Saturday I also went to my daughter's house. She has two dogs. They played. Today one of her dogs is acting the same way
Is it possible her dog is having problems because of their contact even if he did not lick the application site?

How long will allergic reaction to advantix last? I gave my 7 month old pit bull advantix between the shoulder blades as instructured and two days after Hess not eating and has vomited once he's not playful or acting normal

I applied the k9 advantix 5 days ago and noticed that bear is lossing fur and has redness and puss coming out of a the area he also has been itching the area could it be because of the treatment

My 2 1/2 year old SD (Jr) gets flaking off of his skin where K9 Asvantix has been applied. He is not sick. Nor is he irritated. He eats very well. He is on a LID diet (Allergic to chicken). I wonder if it is caused by the flea meds. And if there are anything else I could give him?

How can I determine my dog is having a toxic reaction to Advantix when the Vets and Bayer are saying its unlikely? My dog was given the appropriate dosage of K9 Advantix II within 2 hours he had liquid diarrhea and vomiting, we were up all night with him. The next day he continued to have loose poop, lethargic, and vomited a couple of times in the morning then was holding down water in the afternoon into the evening. This morning he woke up with bloody diarrhea pouring out of him, lethargic and now is at an ER vet for a plasma transfusion, IV fluids, antibiotics and much more. It is uncertain he will make it through the night. I KNOW what the cause is, but why won't Vets or the company stand up and take responsibility?

I applied K9 Advantix II to both of my dogs Thursday night and have used this product before. My boxer has always acted a little weird after but my Shichon has never acted weird. But one Friday my Shichon was very lethargic all day long. He had no energy and didn’t eat or leave the couch. Could this be a reaction to the Advantix II. It was a new box for both. Help!

My dog is 23lbs and is on the large dog formula (21-55lbs) of K9 Advantix II. For the 24 hours after giving her the topical, she becomes lethargic. She still eats, but "mopes" all day and part of the next day. She will play if engaged but would rather lay and sleep for those 24 hours. It resolves after that 24 hour period. I have thought of giving her a dose one lower than her recommended weight but I'm worried about it becoming ineffective. Is this a normal reaction?

I just applied K-9 Advantix II to my tiny 5month old Schnorkie about 5lbs and she is usually a very exuberant pup but since I gave her the meds on her back she has been very lethargic the complete opposite of her normal self. Please advise. Concerned for my fur baby.

I correctly applied K9 advantix to my healthy 7 year old 70 lb dog. I had used it before with no reaction but this was a newly purchased 4 pack. 45 hours after application he starting breathing heavily, drooling excessively, was very agitated and nervous. I tried to walk him thinking it may help but his hind legs were weak- he had trouble lifting leg to urinate and could not stay in squat position to deficate. Then he threw up clear foam with a few pieces of undigested that must have been from from the night before.I washed his back 3 times thinking he had absorbed the advantix and it was making him sick. he was extremely sick for 12 hours, went to vet who checked for stomach blockage but his did not have a blockage.

I feel this was a reaction to advantix. Any similar stories??

I put K9 Advantix 2 on my bichon/maltese mix. She is 7.6 lbs. A day after I applied it there was a small raised circle where the medicine was placed. Today, the area looks to be an open rash and bleeding a little. Should I bath the dog and apply peroxide? Will it heal on own?