There are always different school of thought in medicines, these things make so much of contradictions between different physicians.
If you are tested for blood glucose
level, it would require repeat test to get to an conclusion.
one value is enough with supported history like family history of diabetes
, life style, food habits, exercise etc,
Value of 6.1 lies in prediabetic range.
It is usually treated by lifestyle modification and strict diet control with or without Metformin
to prevent developing frank diabetes.
Metformin is usually the first line of drug prescribed for type 2 diabetes, yes like every other drug it also has its own acceptable side effects.