Alcohol Allergies: Symptoms, Signs, and Treatment for Reactions

When ALDH2 is insufficient, acetaldehyde builds up in the bloodstream, causing symptoms such as flushing, headaches, nausea, vomiting, and, in some cases, hives or anaphylaxis. While a blood allergy test can help identify an allergy to certain components in alcoholic beverages, it won’t confirm alcohol intolerance. It’s important to consult with a healthcare provider, who …

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