Have Cat Questions? Ask a Cat Vet Online.
Hi, I can help you with your question today. Before he stopped eating, was his appetite already decreasing? Or did he have a good appetite?
Excellent. In that case, I recommend using an OTC human hydrocortisone cream on this area. Apply a thin layer twice daily. Try to prevent her from licking it off, but it will not be harmful if she does.
I apologize, it appears an answer for another question was posted to you!
For Dummy, I am suspicious of several different conditions. In older cats we can see diabetes mellitus, hyperthyroidism, and kidney disease. Because he is not eating well, I am most concerned about his kidneys.
I recommend having him evaluated by your local vet. I would start with a physical exam and blood/urine testing. This will likely be enough to diagnose his condition so that we can begin a targeted treatment plan.