I am so pissed (and a bit freaked out) right now and all I can do is read (more) and post here and go to my vet.
I took Huck Finn in last week for his rabies. First shot and I had waited until he was just over a year for him to get it. Last night, I took his collar off and noticed a lump--bigger than a quarter, smaller than a golf ball, at the injection site on the back of his neck!
Thought I'd ask, do you guys have any knowledge/experience with this? I've read everything from benign to sarcoma "ball" of cancer.
It seems like it is IM (intramuscular) and not painful to him (at this point).
Furthermore, anyone have updates on the rabies vaccination challenge? I hope Huck can be exempt from here on out.
Michele,sorry to hear this. Chula had an injection site lump from a puppy vaccine that was given to her before I got her. It disappeared after a month or so, as I recall. They vet told me it was nothing to be concerned about (but what do they know...)
Injection site sarcomas are rare in dogs, but not unheard of, from what I read. (you've probably read the same articles)
If it were me, I would take him back to the vet, or at least call and tell them to note it in his chart. Keep a close eye on it and get him to the vet for a biopsy if it does not resolve on it's own, or gets bigger...
This is a study that documents that it's possible...(full abstract is downloadable in pdf format) Injection site sarcomas in canines
He needs to be seen by a vet, if for no other reason, so that the vet can note he had an adverse reaction and exempt him from the vaccine in the future.
If the lump goes away (which I hope it does!), the next time his shots are due, the vet probably won't just "take your word for it" that he had a reaction.
Reg: 08-29-2006
Posts: 2324
Loc: Central Coast, California
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Quote: Angela Burrell
He needs to be seen by a vet, if for no other reason, so that the vet can note he had an adverse reaction and exempt him from the vaccine in the future.
Likewise the vet *should* notify the vaccine manufacturer of a reaction (but he probably won't...not for swelling)so PLEASE report it yourself, either to the manufacturer, the FDA, or both.
I spoke with my vet today. Apparently, a lump is common and even if we do report it, there is the possibility of it being a hematoma caused by the prick as opposed to the injection itself, thus no accountability of the manufacturer. Ergh. Thankfully, Huck is doing fine and I'm just hoping this lump goes away soon.
I've read about these lumps etc, but never had one on my own dogs. It was quite a surprise/shocker for the mass to be that big.
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