Welcome,
So happy to see you here! My name is Taline, and I'm also a newbie. My cat Bibo was diagnosed with diabetes 33 days ago and I can only tell you, that there is so much hope and good results in treating your Baby Blue, as long as you follow the advices of many of the experienced members on this site.
I want to share with you what worked for me and I'll be here to support you and help you with your questions.
First of all, every morning, I posted a new topic, with the name of my cat, so the members will follow me. I asked as many questions as I had in my mind, and immediately after my posts, members wrote to me and advised me with what to do.
I started Bibo on PZI Idess (discontinued recently) but there are Lantus, Levemir, that you can get. these are longer lasting insulin, that are not harsh like Humilin, and give better results.
The vet wanted me to give Bibo 1u twice a day,(BTW, never left Bibo at the clinic for doing the curve), so that same day, I realized by doing the curve myself, that Bibo didn't need a 1u, so i decreased it to lower numbers, and the members here followed through every step by watching Bibo's spreadsheet (please set it up, it's on FDMB's tech support topic).
I switched his food to only wet food fancy feast variety pate,and mixed a little water with each meal. I fed him 3 to 3.5 cans a day, half a can at a time. So he got smaller meals during the day.It just happened that I was home, and I have a support system, that they can come and feed him, but I know there are automatic feeders out there.
I kept on posting and asking questions, and also checking his blood glucose to better determine the right dosage. And I can only tell you, that it wasn't easy in the beginning, because Bibo's not a friendy guy, he bit me, he ran away from me each time I tried to poke his ear, but I was so eager to get him help and I wasn't gonna give up.
3 weeks into this, Bibo's numbers are regulated, and I haven't given him a shot for 5 days now. I still check his bg everyday, but I'm happy to say that with patience, you can help him so much, and it's sooo rewarding. So please post as much as you can, with Blue's name on the topic, and we will all help you, especially the ones who really know how to advise. One thing to mention to you is Humilin. I urge you to find a vet who would give you a Lantus or Levemir or Prozinc, so you'll feel more confident with the type of insulin that works better for cats. Best of Luck to you and Blue. Tell him we love him very much.
Taline