Steroid induced diabetes?!?!?!

I woke up this morning wth extreme thirst. I have been drinking and urinating tons all day. My mouth is also very dry. I have been extremely fatigued for months. I am worried I have steroid induced diabetes. Anyone know anything about this? I had never heard of it until today. Can it come on suddenly like this? Going to my PCP tomorrow, but wanted to get some feedback before then..
I'm on 9mg Entocort since August, 8mg medrol for about 3 weeks, 6mp on and off it for a couple weeks

Thanks Gumby, yep it seems like it's been one thing after the next and docs don't know what's going on. I had a full work up done yesterday at my PCP so hopefully we can figure it out. The extreme thirst subsided. googling your symptoms can be both good and bad😬