03-11-2016, 09:00 AM
Join Date: Mar 2016
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Hello, new to the forum and found it when doing some research on Nexgard after experiencing alot of the side effects. Our family is very outdoorsy and we live in CT, ticks around all-year round really. We had our 1yr old pit mix on Andvantix and noticed he was a itchy for a day or so after application, but then was fine. The Advantix worked well other than the itching, but after a recent visit for 1 year exam our vet referred Nexgard. He told us his dogs were on it and it was great. We thought we'd give it a try.
Everything was fine until a week and a half later. We started noticing excessive licking and chewing his paws, very itchy, excessive shedding, eye mucus (so heavy that he would wake up with one of his eyes almost crusted shut), diarrhea, and then swelling. His eyes were almost swollen shut a day after all of the other side effects began. We are fortunate enough to spend all day with our pup as we own our own business and have very flexible schedule. We always have an eye on him. We are very confident that it wasnt something he ingested and nothing else had changed for him other than the Nexgard. On the way to the emergency vet that night I (of course) took to Google and saw that all of his side effects were experienced by others as well, but that they experienced it from one hour to one day after the dose, not a week and a half.
The emergency vet told us that he was having an allergic reaction (we figured that much) but that they weren't sure to what. They asked us about his diet and home factors and nothing has changed and we are sure he is not allergic to his food as he has been on it just fine for the last 8-10 months. They gave him a shot of benedryl and sent us home. He then started getting hives all over his body once that wore off, and even with the benedryl dosage the emergency vet gave him and we continued to give for the next day.with us continuing the benedryl for the next day (our normal vet is closed on Sunday so we had to get through this day on benedryl and rice and egg meals for his diarrhea.)
The next morning we took him to our normal vet and sure enough, he thinks it is the Nexgard even though the symptoms began a week and a half later. He ruled out his diet, ingestion, and enviromental out. The only thing left was Nexgard, he felt confident in that it was his reaction to that. He explained to us that the Nexgard disperses through his blood system over the course of the month so a reaction a week or so in, instead of immediately, is very possible. It varies with every dog of course. He prescribed us stronger allergy meds (I am sorry I do not remember the name off the top of my head but can get it if anyone would like) with a schedule that decreases the dosage over the course of the next three weeks. Just one day after giving him this medication and he was doing much better. A week into it now and he is almost 100% back to normal, the meds make him drowsy. All of the side effects I listed are gone, now we have to wait out and hope that as the dosage decreases they do not come back. We are definitely not giving him Nexgard again. My boyfriend and I joked, we do not have children but could not imagine what it would be like if we did and they were feeling like he did. It was the most stressful and helpless feeling in the world watching him suffer for those few days. We are very relieved that he is doing better and will update once the course of the meds is over.