It occurs when the body cannot properly break down alcohol due to a deficiency in the enzyme aldehyde dehydrogenase (ALDH2). This enzyme helps convert acetaldehyde, a toxic byproduct of alcohol metabolism, into the non-toxic substance acetic acid (vinegar). In people with alcohol intolerance, a genetic mutation causes ALDH2 to be less active or inactive, leading to a buildup of acetaldehyde in the body. This results in unpleasant symptoms such as flushing of the skin, nausea, and stuffy nose. Alcohol intolerance is often inherited and is more common among people of East Asian descent.<\/p>\n
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It’s worth noting that anecdotal cases have been reported of individuals experiencing alcohol intolerance after having COVID-19. However, there is currently no conclusive evidence to suggest that COVID-19 directly causes alcohol intolerance. When experiencing sudden intolerance to alcohol, individuals may manifest symptoms that can be classified into immediate reactions and delayed effects. Understanding these symptoms is essential in recognizing and managing alcohol intolerance effectively.<\/p>\n
Furthermore, alcohol is a vasodilator, meaning it opens up your blood vessels. This can increase blood flow to the nasal passages, making congestion and \u201cstuffiness\u201d much more intense for people who already suffer from pollen or dust allergies. This happens because alcohol widens your blood vessels, allowing allergens to enter your bloodstream much faster than usual. Remember, while most cases are due to dehydration or reflux, persistent or severe symptoms warrant a medical consultation to rule out underlying conditions.<\/p>\n
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