Hydrochlorothiazide
"I took HCTZ for 12 years for blood pressure as well as 2 meds for diabetes. Recently I stopped taking HCTZ and started experiencing problems with hypoglycemia. I found that HCTZ was causing my blood sugar to rise making it necessary for the second diabetes med. When I stopped taking glipizide the hypoglycemia no longer occurred. HCTZ was a wonderful med for my blood pressure, it helped bring it down to normal levels, but as I found out 2 months ago, I was taking a second med for diabetes that I should not have had to take. If you are not diabetic it might be a good med for you, but if you are please be careful with this med."