What Is Sudden Onset Alcohol Intolerance? Symptoms, Causes & Treatment
If you’re dependent on alcohol, quitting abruptly will relieve the symptoms of intolerance but can bring on severe withdrawal symptoms. In some cases, an alcohol allergy can be life-threatening without treatment. One of the hallmark signs of alcohol intolerance is alcohol flushing syndrome, which is when the face, neck, and chest become warm and red after drinking alcohol. People with the ALDH2 deficiency are at higher risk for certain types of cancer, including liver cancer.
What Is Sudden Onset Alcohol Intolerance? Symptoms, Causes & Treatment
So, if you notice any unusual symptoms of alcohol intolerance symptoms after drinking, it might be helpful to consider what else is in your drink beyond the alcohol. Alcohol allergy involves an immune system response to ingredients in alcohol, causing severe reactions such as hives, swelling, difficulty breathing, or anaphylaxis. However, people with alcohol intolerance often have a genetic variant that causes ALDH to work less effectively.
How Common Is Alcohol Intolerance?
The Recovery Village Indianapolis offers comprehensive addiction treatment for drug and alcohol addictions and co-occurring mental health conditions. The management of alcohol intolerance typically involves avoiding alcohol, which may require significant lifestyle adjustments. For example, rashes or hives may last for a day or more, and gastrointestinal distress may linger until the alcohol is fully processed by the body.
More on Allergies

Research shows that older females are more sensitive than males to the effects of alcohol. Alcohol intolerance occurs when the body does not have the correct enzymes to break marijuana addiction down the toxins in alcohol. In addition to these symptoms, a hangover may also cause fatigue, sensitivity to light and sound, muscle aches, and dehydration. This occurs due to the widening of blood vessels in your brain, which leads to increased blood flow and pressure. This increased pressure can lead to headaches, which may be accompanied by feelings of dizziness or lightheadedness. We specialize in compassionate, evidence-based care tailored to your needs.

- Even small amounts trigger symptoms in people with this intolerance, as their bodies cannot break down alcohol into harmless byproducts.
- If a person combines alcohol with certain medications, this may also cause a reaction.
- If the reactions return with specific drinks, then you know which ones cause problems for you.
- These tests typically measure the immune system’s IgG response to different food and drink ingredients.
Some people are sensitive or allergic to sulfites, which can cause symptoms such as headaches and difficulty breathing. This can lead to allergy-like symptoms such as hives, itching, and difficulty breathing. In some cases, alcohol intolerance can manifest as allergy-like reactions.
