I received a Cortisone shot in my knee a few days ago. It has elevated my sugar. I am a type 2 diabetic. My sugar reading are exceeding 300. I take Glipizide xl 5 mg once daily. Is it ok to take additional doses of Glipizide to bring my sugar levels down for a couple days. I was told at time it could drive my sugar up for up to 72 hours. Tomorrow will be 72 hours.
Was the blood sugar done before that Injection?  300 mg blood sugar does not appear to be a transient rise of blood sugar. No harm in taking Glipizide 1 BD for 2 days, but get your HbA1c done. If it is anything above 7.5 you will need to be treated on a long term basis.