Although these are nominally blood pressure medications, and you may not have shown any high blood pressure, they have been proven to reduce the strain diabetes imposes on damaged kidneys. They'll need to switch to something else. Another class of anti-hypertensives, the calcium channel blockers, is less desirable for diabetic use. Only one of their number, diltiazem, has been shown to decrease protein in the urine of diabetics experiencing nephropathy. They have also been associated with a slight increase in the odds of heart attack.
Beta blockers can also mask the symptoms of hypoglycemia.
Talk to your doctor about the Ace inhibitors. The Diabetes Action Network of the National Federation of the Blind. It is the most common cause of vision loss among older Americans, and is most common among Whites. Smoking, poor diet, and incautious use of vitamin supplements appear to contribute, but the primary risk factor is ageing. This is significant, because some of those folks facing macular degeneration will also have diabetes, and may be experiencing diabetic retinopathy.