What Is Alcohol Intolerance: What It Is, and How To Prevent It? Symptoms and Prevention

causes of alcohol intolerance

This test can identify variations in the ALDH2 gene, confirming whether the intolerance is due to genetic factors. There is little evidence that distilled spirits made from corn, including bourbon, pose a risk to people with corn allergies or intolerance. People with grape allergies need to avoid wine and distilled spirits made with grapes, including cognac, ouzo, and vermouth. While organic wines cannot add sulfites to their products by law, some contain enough natural sulfites to trigger a reaction in sensitive people. A group of sulfur-containing compounds known as sulfites occurs naturally in wine and beer.

causes of alcohol intolerance

Tools for Understanding Allergies

causes of alcohol intolerance

The doctor may refer the person to an allergy specialist for further testing and treatment. Anaphylaxis is a life threatening condition that involves a series of symptoms, such as a rash, low pulse, and shock. COVID-19 is a new disease, and much research is still being done on its long-term effects. While there is no evidence to suggest that the after-effects of COVID are likely to cause alcohol intolerance, new evidence may emerge as research continues. Allergy symptoms that affect breathing or have the potential to block your airway, such as swelling in the mouth or of the tongue, can be life-threatening.

Cancer

Someone with an alcohol allergy has an allergic reaction when exposed to alcohol or to a component of alcohol. Often, it is not actually an allergy to alcohol itself but to a component of the alcohol, like grapes or hops. The symptoms are caused because the body’s immune system becomes overactive and attacks something found in the alcohol.

causes of alcohol intolerance

Genetics

Avoid smoking and taking medication while drinking, as this can worsen alcohol intolerance symptoms. For anyone who drinks alcohol, staying hydrated can help reduce the negative effects. It’s normal to get sick or experience unpleasant symptoms after drinking too much alcohol. But if you experience odd reactions to alcohol after just a drink or two, your body may be intolerant.

  • Depending on the allergy severity, a person may treat symptoms with over-the-counter medications, such as oral antihistamines, if the reaction is mild.
  • With alcohol intolerance, these symptoms begin soon after consuming alcohol.
  • Alcohol intolerance is linked not to your immune system, but to your metabolic system.
  • Alcohol intolerance occurs when the body does not have the correct enzymes to break down the toxins in alcohol.
  • Your healthcare provider will ask you about the symptoms and reactions that occur after you drink alcohol.

What Are the Symptoms of Alcohol Intolerance?

This enzyme plays a major role in metabolizing alcohol and eliminating it from the body. Without sufficient ALDH2, a toxic byproduct of alcohol metabolism known as acetaldehyde builds up what causes alcohol intolerance and causes unpleasant reactions. Sulfites are preservatives, and most countries permit their addition to alcoholic drinks such as beer and wine. However, some people may experience allergy-like reactions after consumption.