Hi there and welcome to the best place you never wanted to be. I am sorry that Jasmine was DX with diabetes but as you said, no surprise with being on steroids. Is she still on the steroids? The reason I ask, because after going off the steroids, the blood glucose (BG) can go down a lot and sometimes kitties will even stop needing the insulin.
ProZinc is a nice gentle insulin and you can post in the ProZinc Forum and those peeps can really help you with dose adjustments.
I am glad that your vet talked to you about food because the carb intake is very important. We recommend a low carb wet food under 10% carbs and it is not necessary to buy RX food from the vet as a lot of those foods are too high in carbs and not to mention too expensive. Here is a chart we use, the carbs are the 3rd column from the left. You can check your food to make sure it is under 10% carbs. Many of us feed Fancy Feast CLASSICS, 9 Lives, PATE, Friskies Pate and Wellness NO GRAIN. Notice that I have in caps the particular type within the brand because not all flavors within a brand are low carb. Here is the chart:
foodchart
Are you home testing? Here, we all home test. It is very important to understand how your kitty is reacting to the insulin and the dose. You will want to test before each shot and some additional test in between the 12 hour cycle. Another reason to home test is to keep your kitty safe. Find a place in your home where you will always perform the test and give lots of hugs before and after testing. There are many videos showing you how to test. Here is a picture of where you test on your kitty.
http://s106.photobucket.com/user/chupie_2006/media/testingear/sweetspot.jpg.html
Here is another good link on Home Testing:
http://www.felinediabetes.com/bg-home-test.htm
Meters: There are many meters. There is a pet meter called the Alpha Trak2 and human meters. Some use the pet meter because it is what the vets use so the numbers will match up. The meter and strips are expensive though. Most use human meters that can be purchased at any pharmacy. It typically reads a little lower than the pet meter but we have ways of compensating it. Many use Walmart's brand, Relion Micro or Relion Prime, because it only needs a tiny drop of blood. The Prime testing strips are ½ the price of the Micro.
Lancets: These are used to poke the ear to get blood. There are many different sizes (gauges). It is recommended when you are first starting out to use a 26-28 gauge. Also, it would be a good idea to pick up Neosporin WITH pain reliever to apply on the edge of the ears and don't forget to alternate ears.
This is a lot of information for you and please ask if you have any questions, as we are here to help.
