When serotonin levels drop, pain signals are dysregulated, and people are more likely to experience painful conditions like headaches. Histamine is a chemical created by the fermentation process that has the ability to trigger allergy symptoms.
If someone has a true allergy to alcohol, they should avoid the substance entirely. People with alcohol intolerance could still consume alcohol, although they will likely experience side effects. People may also have an allergic reaction to specific ingredients in alcoholic drinks rather than the alcohol itself. Alcohol intolerance is a temporary, but pretty uncomfortable, reaction to alcohol — with nasal congestion and flushed skin being the two most common side effects.
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alcohol and sneezing tests can also be done to evaluate if there are problems with the genes that make alcohol dehydrogenase. However, this is not always the cause of alcohol intolerance. Produced by yeast and bacteria during fermentation, histamine may be present in some alcoholic beverages. Histamine is a chemical released by mast cells during allergic reactions.
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If alcohol intolerance is due to a disease or the use of a medication, successfully treating that disease or stopping the medication will typically help resolve alcohol intolerance. If alcohol intolerance is due to genetic causes, then there is no treatment that will make it go away. Stopping alcohol use will be the only way to avoid alcohol intolerance symptoms. Alcohol intolerance, also known as alcohol sensitivity, is typically caused by a change that affects an enzyme called alcohol dehydrogenase. This enzyme is part of the body’s process for breaking down alcohol, and it converts a chemical called acetaldehyde to another chemical called acetate. The change caused by alcohol intolerance makes it impossible for the body to break down acetaldehyde as it should, causing this chemical to build up in the body.
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Avoiding alcohol is the only sure way to prevent an alcohol-related reaction. Medical content developed and reviewed by the leading experts in allergy, asthma and immunology.