Stan
Hi, know exactly how you feel, it sounds like it what they call a frozen shoulder very painful and effects the mobility in that shoulder...
they normally try the coritizone first..
Setriods will put your blood glucose up, so you will have to monitor this very carefully and correct with insulin, the length of time that it will raise your BG is difficult to say, could be several days involved.. So monitoring very closely is important, and having a good supply of your fav hypo remendy just in case your the cortizone stops effecting your BG and you got spare insulin floating around your body.
I spoke to my diaebtic registra just before christmas, as I'm awaitng this injection for advice concerning counteracting bg's as I use a insulin pump... he explained that the effect of the steriods were mainly durning the day and not at night time, as the body only produces very little over night, main production is durnng the day..