Consumption of beer and similar alcohol can lead to diarrhea

Alcohol can cause digestive problems such as nausea and diarrhea in large quantities. Drinks that have an alcohol content of up to 10%, promote the formation of gastric acidity. Irritation, including inflammation of the gastric mucosa, can cause nausea and vomiting due to alcohol. Because of this, some people tend to vomit if they drink too much. Alcohol affects the cells of the small intestine, which can cause diarrhea . In some people it comes to drinking alcohol, for example, the next day, therefore, to fluid bowel movements to diarrhea.


Alcohol leads to temporary changes in the small intestinal mucosa if it is consumed excessively. Chronic consumption of alcohol can cause permanent indigestion. The alcohol has an effect on the electrolyte balance of the cells in the small intestinal mucosa, more precisely on the salt and water balance. Sodium is a mineral that regulates the water balance in the body. The alcohol inhibits the absorption of sodium and the absorption of water into the cells. If there is more sodium in the liquid and the chyme in the intestine, it causes the salt to attract more water. It is a biological process called osmosis . Overall, the chyme remains more fluid on the way through the intestine and this leads to fluid stools to diarrhea.


In addition to diarrhea after drinking alcohol, nausea, vomiting and loss of appetite are common. It can lead to painful abdominal cramps ( tenesmus ). If the diarrhea is particularly pronounced and drinking is not sufficient, dehydration may occur. One sees the dehydration on a very dry tongue and dry skin. If one drinks too little, the urination decreases and the urine is noticeably dark colored. In the case of a massive fluid deficiency, a cardiovascular breakdown can occur in the worst case. Such an emergency situation is to be taken seriously and should be assessed as soon as possible by a doctor. Most people feel thirsty as part of a "hangover" and can avoid dehydration. Besides these symptoms, diarrhea following alcohol may be accompanied by other symptoms. Headache often occurs after pronounced alcohol consumption, often in connection with a lack of concentration.

Green diarrhea

Various reasons can cause green diarrhea. The staining of the stool is fundamentally dependent on the diet. Green vegetables containing a lot of chlorophyll can affect the color of the stool in large quantities without anything abnormal. In some diarrheal diseases, there is a green color of the faeces. The cause of green diarrhea is that due to the digestive disorder (for example, due to alcohol), the bile can not be processed sufficiently and ends up in a different form in the stool, as in a healthy digestion. Green diarrhea after alcohol is a sign of limited digestion and disruption in bile metabolism.

In addition, certain bacterial pathogens may cause green bowel movements, which should be medically clarified in case of further symptoms of infection.

Yellow diarrhea

Yellow stool can have different causes. Foods such as eggs, dairy products, and foods that contain lots of starch can cause the stool to turn yellow. Animal foods contain hemoglobin and make the stool look darker. Sterkobilin, a waste product of hemoglobin, can stain the stool both yellow and brown. The more Sterkobilin is contained in the faeces, the darker the chair becomes. In case of diarrhea, the stool is very fluid, which means that it contains a lot of water. This also dilutes the color. Therefore, diarrhea is usually yellow, simply because of the dilution of the coloring ingredients.

Nausea and vomiting

In the stomach, the alcohol often causes irritation of the mucous membrane and, if regularly consumed, may even lead to inflammation ( gastritis ). This may result in functional limitations that affect food intake and utilization. The result is that the stomach repels the food - it comes to vomiting. In very acidic stomach environment and frequent vomiting may cause mucosal tears and bleeding in the stomach entrance. The body responds to the problems of processing the foods with the help of nausea and loss of appetite to stop eating.

Stomach and stomach pains

Abdominal pain often occurs after drinking alcohol

Gastric or abdominal pain resulting from the consumption of alcohol can be caused by pathological processes in various organs. If you only drink alcohol occasionally, the gastrointestinal tract is often responsible for the pain in the stomach. With regular consumption of alcohol, organs such as the liver, pancreas, or gallbladder can cause pain in the upper abdomen. The increased gastric acid formation after drinking alcohol can damage the gastric mucosa. In case of gastritis ( gastritis ), stabbing pain may occur in the upper abdomen, leading to cramps, the so-called tenesmus.


Diarrhea describes the shorter or prolonged delivery of too-fluid stool. In case of diarrhea due to excessive consumption of alcohol there is a temporal relationship between the drinking and the appearance of the liquid stools. If you drink in the evening or overnight, diarrhea usually occurs during the morning or at noon. The extent of diarrhea depends on the amount and consistency of the food previously consumed. If you drink a lot over a few hours, the chyme processing is slowed down over a longer period of time and leads to digestive difficulties. Diarrhea is defined in adults as having a stool mass of more than 200 to 250 grams with more than three feces a day and high levels of water associated with it.

How long does diarrhea take after drinking alcohol?

The diarrhea after drinking alcohol usually lasts only one to two days. The duration depends on the consumption of alcohol in the situation, that is, how much was drunk the previous evening. At the same time, the frequency of pronounced alcohol consumption plays an equally important role. Drinking occasionally alcohol and sometimes "a thirsty", then the gastrointestinal tract is irritated and functionally restricted, which can cause diarrhea and other gastrointestinal complaints. In this case, one often suffers only briefly from diarrhea, immediately after drinking alcohol, that is from the next morning for one to two days. The diarrhea caused by alcohol is usually self-limiting and the feeling of nausea and loss of appetite are slowly decreasing. Chronic alcoholics often experience regular diarrhea due to recurrent irritation of the intestinal mucosa, as well as intestinal mucosal inflammation, which may even become chronic. If there is inflammation of the intestinal mucosa that causes diarrhea over a prolonged period or recurrent (recurrent), the family doctor should be consulted.

What helps against diarrhea after alcohol?

In diarrhea, it is important to balance the loss of fluid and mineral salts again. For drinks are suitable, which contain many electrolytes. Good drinks are black tea and unsweetened herbal teas, such as blueberry tea, chamomile tea, mint tea and fennel tea. Other home remedies are raw apples and carrots. The swelling substance pectin contained therein protects the intestinal mucosa. For some people, heat helps, especially when diarrhea after drinking alcohol is associated with abdominal cramps. A hot water bottle can be soothing and relaxing. Cola and pretzel sticks used to be eaten, but these products contain more sugar than salt. Likewise, milk, coffee and other alcohol should be avoided as it can make diarrhea worse. There are also drugs for diarrhea, which can be used for a short time. If the diarrhea lasts for several days, it may be helpful to rebuild the intestinal flora after the exertion of prebiotics.

How to prevent or prevent diarrhea after alcohol?

Diarrhea after drinking alcohol is partly promoted by certain foods. It can help avoid foods and drinks that often cause diarrhea. Spicy, spicy foods and particularly fatty foods put a strain on the digestive system. Many people like to eat hearty food when they like to drink kebabs or burgers and fries. These foods can promote and increase the onset of diarrhea. Another option is to pay more attention to alcohol: beverages with an alcohol content of less than 10%, such as beer and wine, promote the production of stomach acid, which can cause nausea and heartburn. Avoiding these drinks and reducing alcohol can prevent diarrhea after consuming alcohol.

Is the pill safe for diarrhea after alcohol?

Diarrhea after alcohol often raises the question of whether the effect of the pill is still present. If vomiting and / or diarrhea occurs within three to four hours of taking the pill, the effectiveness of the pill can not be guaranteed. This is because in this time window can not judge whether already enough drug of the drug was absorbed by the intestinal mucosa. This means that if you have diarrhea, you will not have sufficient contraceptive protection within three to four hours of taking the pill.

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