Hello Sharon and Eddie! My Billy is also 11 and was also diagnosed in December.
I love our vet, he's helped us many times, but I quickly found out that he knew very little about feline diabetes. I did my own research, found this site, and Billy is doing great now.
1- I'm with Nan on this. Research and many vets suggest wet food can help avoid kidney failure in cats. Yes, cats that already have kidney issues need to watch phosphorous. Billy has diabetes and allergies. He's done awesomely on wet food. In fact, his water consumption is way down and he's now peeing in small, normal amounts.
2- My vet didn't suggest home testing at all, and then scolded us for using a human meter. I don't care. I use a ReliOn meter from Walmart and home test regularly. This saved Billy's life on day 5. Click on Billy's spreadsheet in my signature, and you can see exactly how useful home testing is. Not only did it keep us from giving Billy 2 units of insulin when he was only at 52, it helped members here advise us when it was time to lower the dose.
Never heard of the smell thing either. My apologies to your vet, but it sounds nutty to me. Is it possible that Eddie has some neuropathy going on in his back legs? I he jumping less? Does he ever have cat litter caked in his back feet? Is he ever walking on his hocks instead of up on his feet? Try putting his litter in a low pan and see if it helps. If he is experiencing neuropathy, it should improve as he gets his blood sugar regulated. Billy had this, and it improved rapidly once he was getting what he needed.
Agree with Nan that you are using an insulin that is not optimal for cats. Lantus and Levemir are the gold standard for cats. My Billy is on ProZinc, which has worked awesomely for him. I would talk to the vet today and try to get a different insulin. If the vet won't work with you on this, quite frankly, I would get another vet. It's that important. And please do test at home. 4 units is huge for a starting dose, especially with such a harsh insulin. If it were me, and I'm no expert, I would drop that down to 1 or 2 units and test before every injection, until I got a better kind of insulin. And I would test before every single dose. If you get a number under 200 on a human meter, skip the dose. You can fine tune that no-dose number later, after you get more experience with how Eddie reacts to insulin, but for now it's better to be safe than sorry. Better a day of high blood sugar levels than a dangerous hypo event.
Now, I'm going to show you two pictures. The first one is Billy day zero. Just diagnosed and so very sick. He isn't in the middle of closing his eyes in this picture, he looked like that for two days. Not eating. Litter caked in his back feet. Not jumping. diagnosed with BGL over 500. We thought he was going to die.
Now, take a look at this picture. It's only 11 days later. Billy is active, alert, eating, and no longer has any signs of neuropathy. 11 days of the right treatment was all it took for him to feel this much better.
We didn't get there by following our vet's instructions. We got there by doing our own research and getting help from the members of this site. Now, Billy is in remission and diet controlled. We'll have to watch him carefully, but it's completely worth it.
I know it's overwhelming, but I promise you it gets better, and less overwhelming the more you read and the more you know. Read the sticky posts at the top of the Health links section of the forum. So much good information! And to get the most out of the people who help here, read this post:
New? How You Can Help Us Help You!
There's also a great food chart here.
This board helped save my sanity, and absolutely saved my Billy's life. It can help you and Eddie too.