A1C and pre diabetes

Different countries have different cut-offs of pre diabetes and type 2. In many places it is 6.0 and 6.5. Normal HbA1c tends to be 4.0-5.5. So 5.8 is between normal and pre D. I would do what ever you can to lower those morning fastings closer to 85, if possible. I am a full blown type 2 and tend to have fastings in the 85-100 range most days. My husband has been D for 13 years with HbA1c in the 5.5-5.8 range

Even if you a just a little above normal it tells you that your endocrine system is not working efficiently. As John said diabetes is a progressive disease and if not attacked early can progress into very high uncontrollable diabetes. Many feel pre diabetes is like being pregnant, you are or you aren't.

Lots of times symptoms are not related to our Diabetes. Last summer I had a lot of higher bgs, dizziness, muscle aches and BP was in the low 100's. I finally realised it was a side effect of a statin drug I was on that was attacking my muscles. You said your BP was good, but what was your pulse. I found even though my BP was low my pulse was near 100 which meant some kind of inflammation was going on. Before diabetes I had some of those neuropathy signs in arms and legs. Many times I would wake up with my arm asleep and rubbery. I found once I started on Metformin and bgs fell most of that disappeared.