Hi Heidii! We need to get you a spreadsheet started so you can keep track of your test numbers!
It sounds like your vet is like so many others we hear about here and doesn't know much about proper treatment. Increasing from 1U to 2U is a 100% increase in dose. That's like a human going from 20U to 40U.
We only recommend doing dose changes in .25 to .5 increments.
Did you give 2U this morning or how long have you been giving 2?
Just a little FYI....the ProZinc forum can be a little slow at times. You might want to post in the
Health Forum and put the link to your ProZinc thread in your message there to get more eyes on your post sooner.