Can beer cause diarrhea?

Beer will not cause diarrhea among health adults. There are certain ingredients present in beer that can trigger an allergic reaction in some individuals that result to diarrhea. Hops, barley and yeast might be responsible why some suffer individuals are suffering from allergic reactions to beer. It is important to note that beer is made from wheat byproducts and can trigger an allergic response among those who are allergic to wheat. It is advised that the individual should stop drinking beer if he/she develops diarrhea until a doctor can be consulted.

Possible causes

Diarrhea that occurs after drinking occurs is often the result of inflammation in the digestive system from the elevated levels of histamine. If an individual is allergic to one or more of the components present in beer, the immune system will overreact to the substance and starts to defend the body by producing immunoglobulin E antibodies. The IgE antibodies cause the mast cells to generate histamine to defend the body. Take note that histamine is the chemical in the body that protects the body from harmful microorganisms. The excess amounts of histamine will cause swelling, irritation and inflammation in the soft tissues.


Some of the initial symptoms that affect the digestive tract include bloating, gas, nausea, vomiting, cramping and diarrhea.

What are the symptoms?

If an individual is allergic to the ingredients in beer, he/she will develop symptoms within a span of a few minutes after ingesting the beverage. Some of the initial symptoms that affect the digestive tract include bloating, gas, nausea, vomiting, cramping and diarrhea.

Once the allergen is eliminated from the body, the symptoms will reduce. In case diarrhea experienced by the individual continues for more than a day, it is best to seek immediate medical care. The other symptoms of an allergic reaction to beer include facial swelling, skin rashes, asthma and nasal congestion.

Considerations to bear in mind

The diarrhea that occurs after drinking beer can indicate gluten intolerance or celiac disease. It is important to note that celiac disease is considered as a prevalent condition where gluten which is protein in wheat causes damage to the small intestines. The exact cause of this condition is uncertain but it will lead to abdominal pain, diarrhea and bloating. If the individual is diagnosed with gluten intolerance, he/she must avoid all foods and beverages that contain gluten, including beer.

If an individual is allergic to wheat, beer must be avoided. A severe allergic reaction can occur which leaves the individual at risk for serious complications. Anaphylaxis is an extreme allergic reaction that restricts the capability to breathe normally, potentially leading to death. Diarrhea is an indication of anaphylaxis. If you suspect that the individual is suffering from this type of allergic reaction, call for emergency assistance as soon as possible. If you want to be prepared to handle this severe allergic reaction, read here.


No comments yet.

Leave a Reply