I'm no expert on Reglan, but I can tell you I took it for several years and never had elevated sugar levels.
I hope you get to the bottom of your problem and things improve.
Nissen Fundoplication 2/09
"Whatever you fight, you strengthen, and what you resist, persists.”
“Worry pretends to be necessary but serves no useful purpose”
“Accept - then act. Whatever the present moment contains, accept it as if you had chosen it. Always work with it, not against it.”