Can beta blockers increase blood glucose levels? is the answer the same for type1 and type2 diabetes

Beta blockers: Since beta blockers have been shown to impair release of insulin from the pancreas, they can cause a rise in blood sugar. This may be more of a problem for patients who are already at risk for type 2 diabetes or for people taking thiazide diuretics which can also raise the blood sugar. For treatment of hypertension, beta blockers are not first line choices among many physicians unless heart histor