Been type 2 for couple years managed with meds to reduce hba1c from 82 to 52 reading were good, until I accidently forgot my meds for two nights a couple of wks ago, since then have struggled to control blood sugar todays fasting was 12.7mmol and been averaging at 15 - 19mmols all through the day despite no difference to diet, I did have surgery 7wks ago.?? If this contributed. Any advice