For one year or so, my cat has been drinking a lot and eating a lot. But she kept loosing weight ( She is skinny now ). I switch her food from dry to canned food, symptoms seem to improve, but she is not gaining her weight back. I bought a BG meter and tested her glucose level, it is around 370 . So she has diabetes. I am in a tight living budget and can't afford to take her to the vet and have a treatment . Any one could tell me where to buy long lasting insulin at a low cost and without prescription ? I am thinking to give her a try. Thank you for your info.