Why is my dog's neck swollen with sneezing? Allergies or infection?

Question

My Catahoula has enlarged lymph nodes under one side of his neck. No fever, energy and appetite is fine. Sneezing outside and goopy eyes lately. We did this a week or so ago and I put him on Benedryl, prednisone, cephalexin. It took 3 days but it got better. Now this morning in literally 2 hours after going outside his neck is swollen huge again, same place as before. Put him back on the meds, but could this be chronic allergies of some sort? We live in western North Carolina. Pet's info: Dog | Catahoula Leopard Dog | Male | neutered | 75 lbs

Kevin Sanada, DVM · Accepted Answer

This is more suspicious of an infection rather than allergies. In order to treat this effectively, you would need to first have the specific infection/ condition diagnosed. This would require some testing by your veterinarian. I would not recommend you give any of the medications you are currently giving without a veterinary prescription. Cephalexin is a specific antibiotic that is only recommended for certain conditions. Prednisone is a steroid that can make your dog feel better, but does so by suppressing the immune system, which can allow the infection to get worse. Benadryl is also a symptomatic medication that is only reccomended in specific conditions. I reccomend having Ranger evaluated by a veterinarian as soon as possible, because it's possible that this problem can get much worse without the necessary treatment. I hope that helps and Ranger gets better soon.

Why is my dog's neck swollen with sneezing? Allergies or infection?

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