My cat has a bump on his chin. Is it contagious and how do I treat it?

This looks like a small, localized spot of infection, sometimes referred to as a hot spot. If the infection is contained to this one area you can try to treat it at home with some topical antibiotic ointment (like Neosporin). If this does not take care of the problem, or if there are other areas like this on her skin, I would recommend having her checked out by your vet so a systemic antibiotic can be given.

Poor little guy, he’s adorable! This looks like a deep skin scrape or abscess that is starting to heal. I would clean it with hydrogen peroxide and then apply a thin film of antibacterial ointment on it. This should heal in a week or two. If it isn’t healing or Romeo stops eating then I would bring him in for an exam. He could develop an infection that may need antibiotics to resolve. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Romeo.

This sounds as a condition called eosinphylic granuloma, it's an autoimmune reaction of the body and it requires to be treated with medications that your vet can prescribe once he confirms the diagnosis.

It could be an abscess or a bruise or seroma if Leo fell and hit his chin. I would just keep an eye on it over the next couple days to see what happens. If it gets bigger, breaks open, or seems to cause him pain then it should get checked out by a vet. Also, keep an eye on his appetite to make sure that he is still eating normally.

It is possible this may be related to inflammation such as from a flea allergy so i recommend treating with a flea medication such as comfortis as soon as possible. Prescription antiinflammatory medications from your vet may also be required

Hi there, This appears very similar to something called a "rodent ulcer" or Eosinophilic Granuloma Complex, but it may be something different, like an infection or a growth. Eosinophilic granulomas are often thought to stem from an overreactive immune system or allergies to insects, a protein in their food, or their environment. Many cases resolve with a course of medication. Some cats need to have strict flea control or a prescription diet. Your vet can tell you more about Chibi's specific case after they do a physical exam. Just in case it is an Eosinophilic Granuloma, here is a link to learn more: https://vcahospitals.com/know-your-pet/feline-eosinophilic-granuloma-complex-in-cats I hope this helps! Thanks for using PetCoach.

It's hard to see what is going on from the photo. Bumps on the lips/chin can be a number of things, including feline acne, infections under the skin, allergies, etc. If Leo has trouble getting to the vet, I would definitely look into the sedative option, or see if there is a house call service near you that can come to you. Both of these options are a great way to make veterinary care a little easier. Since bumps on the chin may require having a sample taken of them to determine it's cause, sedatives may be needed regardless to ensure everyone is safe and calm during the procedure. Until you can get to the vet, I would continue to monitor the area for additional changes, keep it clean and dry, and if it is itchy or bothersome, place an Elizabethan (cone) collar on Leo to keep her from rubbing the spot which can lead to more irritation. If she's wary of the carrier, working on getting her used to it by leaving it out at all times and tossing treats in it/feeding her next to it may help make it a little easier if you do need to use it.