Swollen neck on cat.

Dr. Marie replied:

This is an unusual situation!

The most common reason for a swelling on the neck or chin of a cat would be an abscess. An abscess is usually there because of a wound from a fight with another cat.

An abscess doesn't usually come and go. However, if the abscess burst and pus emptied out then it could get bigger and smaller.

I'm wondering if what you are describing are his lymph nodes. The submandibular lymph nodes are found under the back corner of the jaw (by the joint that hinges). If there are lymph nodes that are getting bigger and smaller then it may be that he has an infection that his body is trying to fight. If it is one lymph node that is getting bigger and smaller then it may be a tooth infection on one side of the mouth.

It's also possible that he has something stuck in his mouth underneath his tongue.

The next time it happens it would be a great idea to have your vet take a look!

I hope he is ok!

Dr. Marie.

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