I agree.....5mg is the most I would want to start with.
Be prepared....Vetoryl/Trilostane is NOTHING like Lysodren. It works differently, the protocol is VERY different, and the dog's response is different....and the impact on your pocketbook can be dramatic because of the frequency of testing often required. So please don't hesitate to ask questions anytime something seems "off" or different or anything. It can be hard to wrap your head around the differences when you are used to using one or the other and need to switch. But I have full faith you will do just fine!