Updated On September 23rd, 2025
Pet's info: Cat | Mixed Breed | Male | unneutered | 3 months and 15 days old
My male kitten has a bump on his lower lip that looks like it's filled with pus. He didn't have it until after nursing on his mother who is in heat. He is about 4 months old and usually doesnt nurse unless he is sleeping with his mother. I noticed the bump right after I took him away from nursing on his mother. The mother previously had swollen breasts from overfeeding but it went away after a week. Could the bump be an infection from the mother?
1 Answer
Published on December 26th, 2017
It's possible if there was a wound on Hamilton's lip and the mother has some sort of mammary infection going on as well. However, it's also possible that it just a coincidence, and something else caused an injury to make a blister or small abscess form. If the bump is not going away, it is hot to the touch or bothersome, or both mom and kitten appear to have infections, it would be best to seek veterinary care ASAP to have it looked at, drained, and treated with antibiotics.
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