30, 2009 Each WisdomCard is handcrafted by our team of physician-guided health advocates. Never take more of this medication than is glucotrol xiri prescribed for you. Effectively controlling blood sugar helps prevent heart disease, strokes, kidney disease, blindness, and circulation problems, as well as sexual function problems impotence. Furthermore, loss of blood glucose control on diet alone may be transient, thus requiring only short-term administration of GLUCOTROL XL or other antidiabetic medications. 3Rate it! Glucotrol is in class of drugs called sulfonylureas. Com provides free, accurate and independent advice on more than 24,000 prescription drugs, over-the-counter medicines natural products.