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My new senior poodle has swollen neck glands and a fever. Why?

Updated on September 23rd, 2025

Pet's info: Dog | Toy Poodle | Female | spayed | 9 years old | 7 lbs

Submandibular lymph node swelling bilaterally with slight elevation of temperature. Just adopted this nine-year-old female toy poodle. She is eating and drinking normally. She does not appear to be in any pain

1 Answer

Most Helpful Answer

Ricardo Fernandez, DVM

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on February 10th, 2018

Hi there! Thanks for using Petco Pet Education Center, formerly Petcoach! There are different causes of lymphadenopathy including infections and even cancer. How treatable lymphadenopathy is depends largely on what is causing it. For example, mild regional lymphadenopathy secondary to an infection is likely curable as long as the infection is taken care of. On the other hand, lymphadenopathy can be observed with cancers like lymphoma which is not a curable disease though this is more when all the lymph nodes are enlarged. I recommend you have her evaluated by your veterinarian for further assessment. They can perform a fine needle aspirate which can help reach a diagnosis and then treat accordingly. Good luck!
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