How do alcohol and drugs affect my blood sugar levels if I have diabetes?

Alcohol and drugs can have an immediate effect on blood glucose (BG) levels. They can affect a person's awareness of a low BG as well as her ability to treat a low BG. Often people who have consumed alcohol say the feeling is similar to a low BG -- making it hard to tell the difference and making it very dangerous.

If you have diabetes, think about the effect alcohol will have on your blood sugar. Will that beer or cocktail raise or lower your glucose level? High-carb drinks (such as beer) and sugary drinks (such as pina coladas, daiquiris, and margaritas) are likely to raise your blood sugar. If you eat sugary foods while you drink, the effect will be even greater. Unsweetened alcoholic beverages (such as vodka, scotch, or gin served straight or with a sugar-free mixer) may be a safer choice. But these drinks may lower your blood sugar, raising your risk of hypoglycemia if you don't manage your blood sugar while you drink.

It's also important to be aware of the effect alcohol can have on your thinking and safety. Will you be able to monitor your blood sugar and make wise decisions about food and medications while you drink? Will the people you're with know how to help you in a blood sugar emergency? The symptoms of hypoglycemia can look a lot like intoxication. In some cases, people might assume you're just a little tipsy and not realize that you actually need help. If you're unable to treat yourself, this could delay the treatment you need.

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