I Have Been Experiencing Positional Vertigo For Several Weeks. I

I have been experiencing positional vertigo for several weeks. I wasn't serious at first, but recently, withing the past two weeks, it is happening more often. No other symptoms presented. I am type 2 diabetic taking metformin and glyburide only. I am taking omeprazole, losartin, cardura, and medication to prevent stones from forming in my kidneys and bladder.