Causes of Irritable Bowel Syndrome


Irritable bowel syndrome is a disorder that normally affects your colon or the large intestine. It causes abdominal pain, constipation, diarrhea, cramping and bloating gas. Although this disorder has severe symptoms it doesn’t cause permanent damage to your intestines. The causes of irritable bowel syndrome are not yet known. The walls of your intestines are normally lined with coating of muscle that contract and relax in a harmonized rhythm as food move from the abdomen via the intestine to the rectum.

Irritable bowel triggers

Digestion process

After eating the food is usually moved via your digestive tract through contraction and relaxing of muscles of the intestines in a harmonized manner. If you suffer from irritable bowel syndrome these contractions may be longer and stronger than normal. This causes food to be passed through the colon rapidly causing bloating gas and diarrhea. However in some cases the contractions may be shorter and weaker than normal causing food to be passed slowly leading to constipation. Usually the food doesn’t move via the digestive system of anyone suffering from irritable bowel syndrome properly due to signals traveling forth and back to the gut controlling the nerves.

Certain foods

Deformities in your large intestines or nervous system play a vital role leading to much discomfort when your colon walls enlarge due to the gas. Pressure or gas from certain foods, emotions or medications in most cases may trigger irritable bowel syndrome. It is no wonder that people suffering from this disorder find their symptoms worsening after consuming certain food such as milk, fizzy drinks, fried food, fatty foods, processed snacks like biscuits or crips, chocolate and alcohol leading to either diarrhea or constipation. Some vegetables, fruits as well as carbonated beverages lead to discomfort and bloating. If you experience bloating and cramping mostly after consuming candies, sugar free gum, caffeine or dairy products it doesn’t necessarily mean that your are suffering from irritable bowel syndrome. The problems could be intolerance to dairy products, artificial sweeteners or caffeine.


People suffering from irritable bowel syndrome often find the symptoms and signs worsening when they are stressed, for instance if your normal daily routine is changed. Although stress triggers and worsens the signs and symptoms it doesn’t cause them. Experts have realized that a lot of people who suffer from this syndrome experienced trauma in their childhood for instance bereavement, childhood illness, neglect or abuse.

Hormonal Changes

Women are at a higher risk of suffering from irritable bowel syndrome due to hormonal changes. For instance women find the symptoms and signs worsening during their menstrual cycle. Since the causes of irritable bowel syndrome aren’t known treatment mainly focus on relieving the symptoms. Learning to control stress and making changes in your lifestyle and diet are very important in healing this condition.

Increased sensitivity

A lot of sensations in your body arise from the digestive system, for instance nerves in the digestive system pass on signals to the brain letting you know that you are either full or hungry or should visit the toilet. Experts argue that if you suffer from irritable bowel syndrome you may be oversensitive to the digestive system nerves signals.


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