I have feeling very unwell for quite some time. I now have constant buzzing in my legs from the knees down , eye sight problems blood shot eyes on a morning , back pain at night and other things. I bought a blood sugar monitor a couple of months ago and was getting readings above 20mmol and then dropped below 2mmol. The doctor said my monitor must not be working as I had a ac1 blood test and came back normal and told me to stop testing myself. I was feeling very poorly at weekend so tested myself and again blood was 15mmol and then 23mmol and I was using a monitor the doctor gave me.