My cat's red lip bump isn't responding to meds. What's wrong?

Marshy likely either has an infection or an autoimmune condition called a 'rodent ulcer.' Cancer could look like this but is less likely. I would recommend to take her in for an exam. The doctor will prescribe medication based on the exam and history. I hope this helps with your baby!

Benadryl will not help, it's probably allergy related indeed, it's a common problem in cats (may be autoimmune related as well), as long as it does not bother him there is usually no reason to treat it, if it gets worse or affects his appetite you will need to take him to the vet for a steroid injection.

There is a chance he has an autoimmune disorder causing this. The next step here would be a fungal culture +/- skin biopsy. That almost always gives you your answer so that you can decide on how to move forward with treatment. Best wishes with your pet Spike and I hope that his skin issues resolve soon! Take care.

Hello. This is a mild allergic reaction to something. It may take a few days to a week to go down, but if it does not, or seems to be getting larger, please see your veterinarian. Thanks for contacting Petco Pet Education Center, formerly Petcoach.

Any lumps/bumps that you notice on your pet should be checked out by your vet. Lumps in this location can be any of these things: * abscess (infection) * cyst * cancer (benign or malignant) * rodent ulcer I suggest you find a vet to take him to for an examination. There are no home treatments for any of these possibilities. Also, treatment depends on what the lump is - all those possibilities have different treatments.

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.

I would talk to your vet about doing a biopsy or a culture and sensitivity. The biopsy may be able to tell a different skin condition (underlying mange, fungal infection, etc) that may require different medications than just antibiotics and steroids. A culture and sensitivity may reveal a resistant bacteria that isn't responding to the current antibiotics. I hope this helps.