Hello & welcome....Enlarged Lymph Nodes are NOT normal in any breed.....It indicates a problem (Some are Serious). You need to return to your Vet for a complete Blood profile if you haven't done this already.....I also would question a Tick Borne Disease. Also, it's possible that the antibiotic was not given long enough to clear the infection.....I'd go back......Take care & please let us know what happens....Karla
When my Siberian husky had an enlarged lymph node, I assumed it was lymphoma. I took her to the vet, and it was. In fact, he discovered lots of swollen lymph nodes on her.
I gave her the chemo I could afford. She handled it well. Wish I could have continued it, even though it just treats it symptomatically and they don't really go for a cure with it because they don't want them to feel sick, not understanding the reason.
I hope your dog doesn't have it. Mine was only 7 years old.
Swollen lymph nodes are definitely an indication that something is going on whether it be an infection or possibly a cancer. If the antibiotics didn't work, I would ask that blood work be done and at least an aspiration biopsy. Unfortunately, this was the first indicator of our Grey's Lymphoma. Do have it checked further.