Does alcohol effect blood sugar or does the sugar or carbs in a drink of wine, beer or other for type2 diabetes. med controlled and bs is 4.3 mmol morning high is 6.8?

Use infrequently: Yes, Alcohol does affect blood sugar. Certain wines and beers can contain large amounts of sugar and cause a blood sugar spike. It is like any other food/drink. Occasional small amounts are allowed, but not recommended for frequent use. The goal of diabetes care is to prevent blood sugar spikes. Proper diet, meds/insulin and exercise can all contribute to keeping blood sugar from spiking.