How can diabetes give a false alcohol blood test?

Posted by Jack on December 13, 2022

Whether you have Type 2 diabetes or are diagnosed with another form of diabetes, there is a chance that you may experience a false positive reading from a blood-alcohol test. Here are a few things that you can do to avoid getting a false positive.

Type 2 diabetes

Getting a false alcohol blood test can be scary. If you're not careful, you could find yourself on the wrong side of the law. But if you know what to look for, you can take steps to minimize the risk.

The best way to avoid this is to keep a close eye on your blood sugar levels. Oftentimes, if your glucose is low, your body will start producing ketones. These ketones are a byproduct of your body's breakdown of fat. Having too many ketones in your system will create a false positive on your breath-alcohol test.

The A1C test can also be a helpful tool. Your doctor can help you figure out what your blood sugar level is and how to adjust your treatment plan.

You'll also need to be aware of the different forms of alcohol and how they can affect your BAC readings. For instance, some types of hard liquors contain sugar. This can interfere with the clotting process of your blood. If you have diabetes, it's especially important to avoid alcohol and sugary mixers.

You'll also want to watch your diet. If you're on a very low carb ketogenic diet, you'll want to keep an eye on your ketone levels. This is because, if you're diabetic, ketones are a byproduct of your sugar metabolism. And when your blood sugar is low, you'll probably be unable to stick to your diet.

The A1C test is a great way to find out if you're diabetic, but it doesn't tell you everything you need to know. If you're diabetic, you'll probably need to go for a blood test in addition to the A1C test.


Taking a breathalyzer test for alcohol can be difficult when you are on a keto diet. This is because your body is burning fat instead of carbohydrates. Your BAC may appear over the legal limit and you may feel dizzy or sluggish.

While your body is breaking down fat, it is producing a byproduct called acetone. This is a chemically similar substance to isopropyl alcohol. When your body is in ketosis, you may get a false positive on your breathalyzer test because the machine doesn't know which substance is alcohol.

Ketosis can also make your breath smell like alcohol. This can trigger a false positive on a breathalyzer test or a false positive on a urine test. This is because your body may be producing acetone, which is a byproduct of ketosis.

There are some breathalyzers that can differentiate between acetone and ethanol. Some infrared spectroscopy machines can even detect the difference between ethanol and isopropyl alcohol. But not all portable breath machines can do this.

The best way to avoid a false positive on your breathalyzer is to inform the testing official that you are on a ketogenic diet. This is especially important if you are on a very low carb diet.

Another trick to avoid a false positive is to act sober if you fail your breathalyzer test. This will help the officer see your test results in a different light. You may even be able to get the officer to understand your defense and not charge you with a DUI.

It is also important to understand that ketosis does not mean you are drunk. It is a metabolic condition that can occur when your body is deficient in carbohydrates and insulin. This can be caused by many factors, including prolonged exercise, fasting, anorexia, or a high-protein/low-carb diet.


Whether you're a diabetic or a non-diabetic, you can have hypoglycemia, which can lead to a false alcohol blood test. Those with diabetes can be deceived into thinking they are drunk when they are not, which can lead to a DUI charge. Luckily, there are ways to treat hypoglycemia.

The first step is to talk to your healthcare provider. They can help you manage your diabetes and teach you how to treat hypoglycemia yourself. They can also help you learn how to use glucagon, which is a hormone that stimulates the release of insulin.

Symptoms of hypoglycemia can include slurred speech, loss of consciousness, convulsions, tremors, confusion, and nausea. You can also have a rapid heartbeat. If you think you're having a hypoglycemic attack, call your healthcare provider immediately. If you don't, you can try the 15-15 rule, which states that you should drink fifteen grams of carbs within fifteen minutes of experiencing a hypo.

When your glucose levels drop too low, you're in what's called insulin shock. In this situation, the body begins to burn fat instead of carbohydrates. The result is a buildup of acetone in the blood, which the breathalyzer can mistake for alcohol.

If you're having a hypoglycemic episode while driving, you may feel disoriented, slurred speech, sweating, and a rapid heartbeat. These symptoms can be more severe than you think. You should also make sure to call 999 for an ambulance. You can also administer glucagon by squirting it up your nose.

While hypoglycemia is not a life-threatening condition, it can lead to seizures, low blood sugar, and other issues. If you're a diabetic, be sure to check your blood glucose level before driving and after exercising. You can also use a continuous glucose monitor.

Breath alcohol testing devices

Those with diabetes are at risk of a false positive breath test. Diabetics can have higher levels of acetone in their breath than others. The presence of acetone can cause a higher alcohol concentration than actually exists. This can lead to a false positive breath test and a DUI.

Diabetics need to monitor their blood sugar levels. The pancreas secretes insulin to keep blood sugar levels balanced. However, diabetes causes the body to not use insulin effectively. This can result in hypoglycemia. During hypoglycemia, the liver releases ketones. Ketones are metabolic compounds that are produced when the body consumes carbohydrates. When ketones are produced in the body, the Breathalyzer will register the acetone as ethyl alcohol, and the alcohol concentration will be inaccurate.

Normally, the breath alcohol concentration is highest about an hour after drinking. However, some alcohol can be detected within minutes. A person's weight, gender, and time since a meal can also affect the impact of alcohol.

Regardless, of what the breath alcohol concentration is, the presence of acetone on a diabetic's breath can cause a false positive breath test. Acetone is a water-soluble volatile substance that is normally present in the body from the breakdown of fats. However, diabetics can have chronically high levels of acetone in their breath.

In addition to higher acetone levels, diabetics can also have high BAC readings. If a person has a high BAC, they can be more clumsy and make bad choices. If a person has a low BAC, they can be more calm and rational.

In California, breath devices must undergo accuracy checks every 150 tests. If a person's reading is not accurate, the device is considered out of compliance. The law requires that accuracy check logs be kept. These logs can help the testing officer determines if the person was in compliance with the law.

Foods that can cause a false positive

Those who are diabetic run the risk of a false positive alcohol blood test. Luckily, there are many foods that can be eaten that won't make you drunk. Nonetheless, it's important to understand the risk of being falsely charged with a DUI.

Ketones are another cause of a false positive alcohol blood test. Ketones are produced in the liver when there is a lack of glucose in the blood. They can look like ethanol to a breathalyzer, and it can result in an inaccurate BAC reading.

Ketones are also present in people on low-carbohydrate diets. Ketones are produced when the body replaces glucose with acetone. They can also be present in people who are on a high protein/low carb diet. Those on these types of diets should inform the testing officer of their dietary plan.

A low carb diet is becoming more popular. These diets require the body to burn stored fat rather than glucose. This can cause the body to produce acetone, which can set off a false positive alcohol blood test.

Alcohol breath test results can also be inaccurate when you're taking an over-the-counter medication. Some over-the-counter medicines and cough syrups contain alcohol. Others contain ethanol, which can also set off a false positive.

In addition, a cold medicine or vitamin supplement can cause a false BAC reading. Foods that contain sugar can also set off a breathalyzer, especially if you're fasting.

If you're diabetic, you're also at risk for a false positive breath test. You may find yourself sweating, slurring your speech, and feeling woozy. These symptoms can make it difficult for an officer to give you a clear command. You'll also have trouble following the officer's directions. Whether you're diabetic or not, it's important to keep your blood sugar under control.

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