Gas (flatus), burping, and bloating are all normal conditions.气（排气） ，打嗝，并腹胀都是正常状态。 Gas is made in the stomach and intestines as your body breaks down food into energy.天然气是在胃和肠为您的身体分解食物转化为能源。 Gas and burping may sometimes be embarrassing.天然气和打嗝有时会尴尬。 Bloating, which is a feeling of fullness in the abdomen, can make you uncomfortable.腹胀，这是一个充满感情的腹部，可以让你不舒服。 Although many people think that they pass gas too often or have too much gas, it is rare to have too much gas.尽管许多人认为他们通过气体往往或有太多的气体，这是很少有太多的气体。 Changing what you eat and drink can sometimes cut down on gas and relieve discomfort caused by gas.改变你吃喝有时可以减少气体和减轻不适所造成的气体。 Belching or burping (eructation) is the voluntary or involuntary, sometimes noisy release of air from the stomach打嗝或打嗝（嗳气）是自愿或非自愿，有时嘈杂的空气释放的胃  or esophagus或食管 through the mouth.通过嘴。 Burping 3 to 4 times after eating a meal is normal and is usually caused by swallowing air.打嗝3至4次后，吃吃饭是正常的，通常是由于吞咽空气。 Other causes of burping include nervous habits or other medical conditions, such as an ulcer or a gallbladder problem.其他原因造成的打嗝包括中枢神经习性或其他医疗条件，如溃疡或胆囊的问题。 In some cultures, a person may belch loudly after eating to show appreciation for the meal.在某些文化中，一个人可能嗝吃后大声显示赞赏餐。 All people pass gas, but some people produce more gas than others.所有的人通过气，但一些人产生更多的气体比其他国家。 It is normal to pass gas from 6 to 20 times a day.这是正常的，通过气体从6至20倍一天。 Although this may embarrass or annoy you, excess intestinal gas usually is not caused by a serious health condition.虽然这可能会尴尬或烦扰你，超过肠道气体通常是不会造成严重的健康状况。 Common causes of gas and bloating include:常见的原因的气体和腹胀包括： - Swallowed air.吞咽空气。 If swallowed air is not burped up, it passes through the digestive tract and is released through the anus as flatus.如果吞咽空气不burped了，它通过消化道，并通过释放肛门的排气。 Excessive air swallowing may cause hiccups.吞咽过多的空气可能会导致打嗝。
- Foods and beverages.食品和饮料。 The amount of gas that different foods cause varies from person to person.数额气体，引起不同的食物因人而异。
- Constipation.便秘。 This can cause bloating but generally does not increase gas.这可能会导致腹胀，但一般不增加天然气。 For more information, see the topics Constipation, Age 11 and Younger or Constipation, Age 12 and Older.欲了解更多信息，看到的主题便秘，年龄11和年轻或便秘，年龄12岁以上。
- Medicines or nutritional supplements.药物或营养补充品。 Both prescription and nonprescription medicines, as well as dietary supplements, can cause bloating and gas as side effects.这两种处方药和非处方药品，以及饮食补品，可引起腹胀和天然气的副作用。
- A medical condition, such as a bowel obstruction or Crohn's disease.医疗条件，如肠梗阻或克罗恩病。
- Changes in hormone levels.变化的激素水平。 It is common for women to have bloating right before their periods because their bodies retain fluid.这是常见的妇女有腹胀权期之前，因为他们的尸体保存液。
Dyspepsia is a medical term that is used to describe a vague feeling of fullness, gnawing, or burning in the chest or upper abdomen, especially after eating.消化不良是一个医学术语，用来描述一个模糊的感觉，丰满，啃，或焚烧的胸部或上腹部，特别是在进食。 A person may describe this feeling as "gas."一个人可以形容这种感觉为“天然气。 ” Other symptoms may occur at the same time, such as belching, rumbling noises in the abdomen, increased flatus, poor appetite, and a change in bowel habits.其他症状可能发生在同一时间，如打嗝，隆隆噪音的腹部，增加排气，食欲不振，以及改变大便的习惯。 Causes of dyspepsia can vary from minor to serious.消化不良的原因各不相同可以从轻微到严重。 Occasionally, a person may dismiss serious symptoms, such as symptoms of a heart attack, as "just gas or indigestion."有时候，一个人可以撤销严重的症状，如症状的心脏病发作，因为“只是气或消化不良。 ” Review the Emergencies and Check Your Symptoms sections to determine if and when you need to see a doctor.审查的紧急情况和检查您的症状章节，以确定是否以及何时需要去看医生。 VitaDocs Medical Reference from Healthwise VitaDocs医疗参考康慧  Last Updated: September 30, 2005最后更新： 2005年九月三十零号 This information is not intended to replace the advice of a doctor.此信息是无意取代咨询医生。 Healthwise disclaims any liability for the decisions you make based on this information.康慧不承担任何责任，决定你在此基础上的信息。 @ 1995-2007, Healthwise, Incorporated. @ 1995-2007年，康慧公司。 Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.康慧，康慧为每个健康的决定，康慧标识的商标康慧公司。
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