Hi and welcome to you and to Rousseau.
Yes, it is all a bit overwhelming. Starting now, that gets easier, I promise.
I have not bought a glucometer yet or the meter to test ketones but probably will this weekend.
Fantastic idea! Just about every one of us uses a glucometer to test kitty's blood glucose levels, at least twice a day. It is the only really safe way to treat a diabetic cat. It is very important to know what the BG is before you give him a shot, so that you can be sure the dose is not too high or too low.
He needs an injection of 2 units of ProZinc Insulin 2x day using U40 insulin syringes.
Good on the insulin, Prozinc is a good one and there are people here who use it every day on their kitties. Twice a day is the way it's supposed to be done, and the shots should be 12 hours apart. "Normal" starting dose is 1u, vs. 2u.... do you know what Rousseau's blood glucose numbers were when he was diagnosed? Sometimes there are good reasons for a larger than normal starting dose. Did the vet say anything about any other conditions when you found out he was diabetic?
He still seems to be peeing more than he ought to.
Excessive drinking and peeing are the two most common signs that a cat might be diabetic. Of course, most people like you and me didn't know that. I had never even heard of feline diabetes when I found out that Bob was a "sugarcat". As his diabetes is brought under control, that will go away, and he'll return to drinking a lot less and peeing a lot less.
I also tried to start him on Purina DM (dry) food but I'm just mixing it with regular food until he adjusts to it. He doesn't like it at all, even mixed with the regular dry food so I've had to mix it with soft food or tuna.
Well, it's really not a bad thing that he doesn't like the DM dry food. In fact, eventually we hope that you are able to totally get rid of the dry food from his diet. A diabetic should consume as low a level of carbohydrates as possible. Same thing for cats. Dry food is really high in carbs, even the "prescription" dry foods that are usually recommended by vets. Some vets just don't know that, because unfortunately, a lot of them don't see many diabetes cases. They have to know a little bit about all sorts of sicknesses, injuries, and diseases on many different types of animals. Not too many have the time or the need to become an "expert" on just one thing. That's why it is so great that you found this place! All of us have dealt with feline diabetes, many of us more than once with our kitties. So be very happy you found this place!
The best diet for a sugarcat is an all-canned low-carb diet. If you click on these links, you will see dozens of canned foods listed. Pay close attention to the column that says "carbs".....and look for those that are under 10%. Those are the ones you will want to feed Rousseau. Popular brands with us are Fancy Feast Classics, Friskees Pates, and Wal Mart Special Kitty, which are easy to find and affordable. There are also lots of other good choices on those charts.
It might take him some time to get off the dry food, which is okay, but you should try to get him eventually on an all canned food diet. Just doing that will lower his BG levels a lot, and some cats can even get off the inuslin once their diet is changed. You won't want to do the switch until you start home testing though, because it will most likely drop his BG quickly, and then that dose of insulin will probably be too high, and will need to be lowered.
It's also confusing because some of what I've read conflicts with my vet's advice.
Don't feel alone in that. Most people who get here say the same thing. And most of that is due to what I said earlier. Unless a vet sees lots of diabetic cats, some of what they tell you will be different than what you hear from us. I won't flat out say "We are right, and he is wrong!). A lot of how you move forward with this will depend on you. You can hear what you vet tells you, and what we tell you, and what you might read here, and then you will make up your own mind on what to do.
But, please ask lots of questions. You are going to get a lot of really good advice from people here. We are here because we want to help you and Rousseau, just like people helped us out when we first came on board.
Here are the links to the food charts. Take a look, and take things one step at a time. Just like he didn't get diabetes overnight, it isn't going to go away overnight. But it CAN go away. My cat Bob needed insulin for 10 weeks. I switched him to a low carb canned diet, tested his BG regularly, gave him his two shots a day, and today he is a diet contolled diabetic and in better shape than he was before he got sick.
http://binkyspage.tripod.com/CanFoodOld.html
http://binkyspage.tripod.com/CanFoodNew.html
Again, welcome to FDMB!
Carl (and Bob) in SC