What Causes Vomiting & Diarrhea?

Written by kevin rail
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The 24-hour stomach flu, also called "the bug," is a fast-moving illness that causes a lot of wreckage when it hits the body. It is caused by a virus. Not only can the stomach bug cause vomiting, but it can also cause diarrhoea as well. Both of these symptoms can be quite violent when they strike. If that's not bad enough, this illness also comes with stomach cramps, fever, chills and dizziness.

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Irritable Bowels

Irritable bowel syndrome (IBS) is an intestinal disease that targets the digestive system. In a normally functioning digestive tract, food gets moved along at a regular pace, the nutrients are absorbed and the waste is then excreted from the body. But when IBS is present, the muscles in the digestive system do not work properly and the food gets moved along too quickly or too slowly. This leads to intermittent bouts of constipation and diarrhoea.

Alcohol

When consumed in moderate amounts, alcohol does not have much of an effect on the body. But when drinking becomes excessive, the body can suffer a number of side effects. The liver can become damaged, vision can become impaired, judgment can be altered and blood sugar levels can drop severely. But one of the most common side effects of excessive drinking is vomiting, which is caused from the body not being able to process the alcohol fast enough.

Gluten Intolerance

Coeliac disease is a condition in which the stomach is unable to break down gluten, which is the protein portion of wheat, barley and rye. When foods that contain gluten are eaten, the body cannot break them down and nutrients are not digested through the villi that are found in the small intestines. This can lead to malnutrition. Some of the symptoms of coeliac disease are bloating, abdominal pain, vomiting and diarrhoea.

Food Poisoning

Food poisoning is similar to the stomach flu, but it is caused when food that contains pathogens or bacteria is eaten. This is usually seen with uncooked meats or salads that might have been sitting around for a while. The symptoms are headaches, fever, nausea, vomiting, abdominal cramps and diarrhoea. The diarrhoea in this case can also be bloody.

Lactose Intolerance

In a normal stomach, there is an enzyme that is produced called "lactase," which is used to break down lactose. Lactose is a milk sugar that is found in dairy products. When a person lacks this enzyme in her stomach, she has lactose intolerance. When dairy products are consumed, she can suffer symptoms such as gas, bloating, stomach pain and diarrhoea.

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