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Is alcohol allowed on a diabetes diet?

alcohol and diabete diet
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Many people who are diagnosed with diabetes are concerned that their entire lives are about to change. This often includes a fear that they may never again be able to enjoy a glass of wine or a pint of beer.

They ask, is alcohol allowed on a diabetes diet? The simple answer is yes. As long as diabetes targets are being maintained, the alcohol guidelines are the same as for the general population. That is, a maximum of two standard drinks per day and up to 14 a week for men, or nine standard drinks a week for women. Be aware that different types of alcohol affect blood glucose in different ways.

Examples of standard serving sizes

  • 360 ml (12 fl. oz) 5% alcohol beer
  • 150 ml (5 fl. oz) 12% alcohol wine
  • 45 ml (1.5 fl. oz) 40% alcohol spirits/hard liquor

Remember that sweet, fizzy mixers can also impact on blood glucose.

Exceptions to the rule

Just as for the general population, there are exceptions to the overall alcohol guidelines for people with diabetes. Individuals with or without diabetes may be at risk of additional health problems if they have conditions such as liver problems, nerve damage, eye disease, disease of the pancreas or high triglycerides. If the person you support has any of these medical issues, a healthcare professional should be consulted before alcohol is consumed.

Additionally, individuals should not drink alcohol if they:

  • Are pregnant or trying to get pregnant
  • Are breastfeeding
  • Are taking certain medications. Check with your pharmacist about possible interactions with alcohol
  • Will be driving shortly

Be alert for low blood glucose

For people taking insulin and some other diabetes medications, alcohol can lead to dangerously low blood glucose levels. It is important that you eat regularly, follow your medication schedule and check blood glucose levels frequently. Make sure your glucose levels are checked again before bedtime.

Alcohol can cause delayed low blood glucose levels up to 24 hours after being taken, and some individuals may need to arrange to wake during the night to check blood glucose levels. This should be discussed with the diabetes healthcare team.

Make sure that you always have a treatment for low blood glucose on hand. The preferred option is three (5g) glucose tablets (total of 15g).

It’s important to note that glucagon, a treatment for low blood glucose, does not work when alcohol has been taken. This makes it critical to call an emergency number immediately if someone becomes unconscious or shows other signs of severe hypoglycemia after drinking alcohol.

Some individuals may need to take other issues into consideration. For example, alcohol can contribute to weight gain. Additionally, it can be harder to say ‘no’ to favourite foods after a couple of drinks have been enjoyed. Ask the diabetes healthcare team for their specific advice regarding alcohol and diabetes.

About Diabetes Care

Diabetes Care Community is the author of articles on a wide range of diabetes topics. All of these articles are written to a high standard of quality. They are reviewed for accuracy with health care professionals and, wherever possible, will adhere to Diabetes Canada's 2018 Clinical Practice Guidelines. It is our wish that you find our articles helpful. We welcome your feedback and comments.

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