Hi, welcome to our cat community!! At 11 yrs old, there could be a few things going on that could cause Mingo to lose his appetite. Kidney issues-checked with blood work, pancreatitis-also blood work, more bad teeth, and believe it or not, constipation. I had a senior kitty that wasn't pooping regularly and it did affect her appetite. My vet said that there should be 1 poop a day.
If the vet finds that Mingo has none of these issues going on, then it could be that his metabolism has slowed down with age(it happens to the best of us). And, if more than 2 days go by without him eating, contact your vet about an appetite stimulant because you don't want your cat to get feline hepatic lipidosis(fatty liver). This is very serious and can be deadly.
Good luck and please keep us posted!
Thank you Zodiacqueen! I was rather wondering if constipation would affect his appetite since his eating problem seems to be related. But since I have 2 cats, I can't always tell their poop apart. I'm currently waiting for the results of a pancreatitis test, but somehow I sense that it may be GI-related. And thank you for suggesting an appetite stimulant. I hadn't thought of that.
I agree with ZQ, but would like you to take another look at the teeth, Sometimes vets do not remove the roots and this will cause continued pain. Please ask for x-rays to prove the roots have been removed. There could also be some other teeth in need of removal. Dental disease in elderly cats is very common and painful.
Our Miss Teia was not eating for a few days towards the end of October, vet needed to give her an enema to clear her stoppage, was a huge hairball.
Her appetite has returned to normal as has her poop frequency.
Have you considered taking her to another vet to get examined? y cat was having issues year ago with his stomach but the vet insisting he was fine. I knew something wasn't okay so I took him to another vet and came to find out he has a bad stomach infection.
Thank you, CML. I thought about his teeth, but his eating pattern this time around is different from what it was when he did have bad teeth. Back then he didn't eat much at all, but now he eats well for several days then hardly at all for anywhere from 1 to 3 days. And this has been going on for several months now.