a lot of vets don't have much experience with it, I"m glad you foudn a vet to work with you.
i have found the number one issue is to keep the gut moving, they get constipated so easily! fiber added to their food (pumpkin or physillum husk) and a lot of liquid are critical. some need medication, some don't.
the second big thing is urinary tract infections, treating them and keeping them from coming back is another challenge. I feed at least half their diet a desiginated urinary diet and I add vitamin C to their other food (it acidifies the urine) and again, lots of liquid. a fountain can encourage them to drink, or adding water to their food can help too.
please tell us about your kitten and what is gong on, and post some picts for us to oooh and aaaah over
we're here to help!
read read read the various posts on this subject (there are a lot of them i think) and you can learn a lot that way too!