Believe it or not, this happened to me yesterday. I take 85 units of
Lantus in the am, and I think I hit a vein. As the injection went
in, I didn't get the "burn", and I could taste it in my mouth. About a half hour later, I started to crash....450 grams of carbs later, I got my sugar up to about 200. It settled down a little later to about 140. As an RN, I should know better to pull back on the syringe to check for blood return before injecting. I was in a hurry...