4 Signs You Might Be Allergic to Alcohol 《酒精敏感的四种症状》 图片与资料来源：雅虎新加坡

If you start to feel a little weird after drinking, it could mean way more than just a few too many glasses of wine. And if you frequently experience adverse symptoms when drinking alcohol, it could very well mean that you've developed an allergic reaction, where your body can't metabolise it as it should. Turns out, there are a few common symptoms that appear when you're allergic to alcohol, and we were able to discuss them with Dr. Sonia Batra, MD, MSc, MPH, a dermatologist and cohost of the television show The Doctors. But as many of these are prevalent in other types of medical conditions, it's worth seeing an allergist for a proper testing (a blood prick test) and diagnosis. And as an allergy to alcohol can be an inherited trait, you might want to tap into genetics and inquire with your family. Some people have ALDH2, a gene variant, which happens to be more common in those of Asian descent, and it means the body can't metabolise alcohol efficiently, Dr. Batra told POPSUGAR. Red, Hot SkinIf your face is getting sweaty and flushed, it could be the alcohol talking, but if your face turns extremely red, this could indicate an allergic reaction. "Alcohol opens up blood vessels and increases flushing," Dr. Batra said. So it makes sense to get a little heated. Once you start drinking, your body metabolises the alcohol into acetaldehyde. But "when your body can't neutralise the acetaldehyde fast enough, the blood capillaries in your face dilate, resulting in further flushing and redness due to histamine release," she explained. And your body might respond negatively to this rise in histamine, which is common in wine and beer. (Especially red wine.) At high levels, alcohol actually causes blood vessels to constrict, which temporarily increases blood pressure, she added. When your body can't break down the histamine, due to inefficient enzyme capacity, those levels stay elevated, making you red and rashy, and you might even notice a rapid heart rate. HivesHives and bumps can happen, as acetaldehyde can stimulate that histamine release, which your body then reacts poorly to when you have an allergy to alcohol, Dr. Batra said. What's more, sensitivity to ingredients in the certain alcohols, such as grains, like wheat, barley, and rye, can also cause allergic reactions. Histamines, which naturally occur in wine, and sulfites, a preservative used in wine, can also trigger allergy and asthma-like symptoms, she said. "The best way to avoid hives and bumps is to limit drinking or to avoid the specific types of alcohol that trigger the reaction," she said. A cool compress can be applied to settle inflammation. Very rarely, hives can be caused by anaphylaxis, a severe allergic reaction. If you feel your symptoms worsening, stop drinking immediately and see a doctor. Trouble BreathingDue to the rise in histamines, breathing difficulties and stuffy/runny noses when drinking can happen. "A histamine intolerance can lead to inflammation in soft tissues, like lungs and nasal passages, which can swell and lead to stuffy nose and sinus pressure," Dr. Batra said. "Cold-like symptoms - itchy eyes, scratchy throat, and sneezing - are also side effects of a histamine intolerance."If you have a preexisting respiratory condition, like asthma, symptoms might worsen due to the level of histamines in alcohol (which can't be metabolised well). "Asthma can be exacerbated by these histamines, because of the increased inflammation of airways." Diarrhea and NauseaIf you have stomach pain and nausea when drinking, don't be so quick to blame it on that pizza. "Alcohol can increase stomach acid, irritating the digestive tract," Dr. Batra said. And when your body can't break down the alcohol in the body, your digestive system can get out of whack. "Diarrhoea occurs because drinking can affect the amount of water in your large intestine, and if there is a lot of fluid, stool will pass quicker," she said. A tip? "One way to curb diarrhoea is to avoid drinking caffeine with alcohol and to eat easily digestible, plain foods - not the greasy fries you are probably craving." 词汇有些生物、有机化合物、医学名词：读者请移步有关网站，以作进一步了解以下：为了方便查找，按英文字母 A....Z 排列 ALDH  乙醇脱氢酶Asian Descent 亚裔Allergist 过敏症专科医生Acetaldehyde 乙醛Asthma 哮喘Anaphylaxis 过敏性反应Barley 薏米Bumps 肿块、隆起物Blood capillaries 毛血管Blood vessels to constrict 血管紧束Blood Prick Test 扎针验血Breaks Down （化学性的）分解Cohost 共同主持人Cold Compress 冷敷治疗法Diagnosis 诊断 （非实物名词）Diarrhea 腹泻Dermatologist 皮肤专科医生Dilate 膨胀Digestive Tract 消化道Enzyme 酶Exacerbated 加重、恶化Flushing，flushed （脸部）通红Gene Variant 基因变异Grains 谷物（复词）Histamine 组胺Hives 荨麻疹Inflammation of airways 气管炎Ingredients 材料、佐料Inherited Trait 遗传特质Intolerance 忍受度极低的情况Metabolise 新陈代谢Neutralise 中和Nausea 恶心Nasal Passage 鼻腔通道Preservatives 防腐剂POPSUGAR  2005年美国广告公司媒介采购员丽莎。苏格 创立了专门报道名人的博客网站，后来专注于（女性的）时尚、美容、食品、育婴....Rye 黑麦Stool 粪便Soft Tissues 软组织Symptom 症状Stimulate 刺激（及物动词）Sulfites 亚硫酸盐（复词）Sinus 鼻窦Tap into 深入探讨Tirgger the reaction 引发反应Those levels stay elevated 那些成分的量剂居高不下Weird 奇怪的感觉 雅虎新加坡 https://sg.yahoo.com多元网上媒体、搜素引擎、电子邮箱这是少数获准在祖国大陆登陆的英文英语网站

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