Irritable bowel syndrome (IBS): Causes ! Symptoms ! Treatment !!

Posted in Gastro-Intestinal

What causes irritable bowel syndrome?


Yet it is unknown what exactly causes this intestinal motility disorder. However, one can pinpoint the triggering factors of IBS symptoms.
Irritable Bowel Syndrome CausesThe research surely shows increased hypersensitivity of the intestines. There is also an increase in intestinal muscles movements. The intestine is overreacting to mild stimulus. As a result, an increased intestinal motility does not allow food to stay in. This conversely results in increased bowel movements.

Although the situation is not serious, it causes a significant burden on patience life. Disturbance in routine activities and economic burdens are common.

Our brain regulates our intestinal movements.
IBS sometimes thought to be the result of disturbance of this regulation. Hence, sometimes it is termed as the brain-gut disorder.
Some people believe IBS happens due to the imbalance of body chemicals like serotonin or gastrin. This imbalance notably disturbs the Gastrointestinal functioning.


There is an obvious association between IBS and factors like environment, genetics, and psychology. Imbalance of natural gut flora, in particular, causes diarrhea symptom. Low-grade inflammatory changes may occur in the intestine.


Risk factors for irritable bowel syndrome


The risk of getting IBS is high, especially after acute Gastrointestinal Infections. Below is the list of some common risk factors particularly associated with IBS


Female gender

The family history of irritable bowel syndrome



Stressful situations

Long-term use of antibiotics

Defects in the immune system


The psycho elements like anxiety or depression do not cause irritable bowel syndrome. However, they may conversely persist the IBS symptoms or significantly intensify them.


How the IBS gets diagnosed?


In fact, there is no fix laboratory test to diagnose irritable bowel syndrome.  However, some laboratory tests help to rule out other similar gastrointestinal disorder.
Irritable bowel syndrome symptomsBelow is the list of some conditions which are often considered while diagnosing IBS.

1 Celiac disease

2 Inflammatory bowel disease

3 Lactose intolerance

4  Food allergy

5 Allergy to certain medications like Iron

6 Gastrointestinal infections

7 Crohn’s disease

8  Colitis

9  Ulcerative colitis

10 Some type of enzyme deficiency


Laboratory investigations to confirm irritable bowel syndrome


Your physician may want to rule out other IBS like conditions. He may suggest you check your blood and stool.

Additionally, one may need to undergo some of the below-mentioned investigations.




Full blood examination



Stool Microscopic examination

Stool culture and sensitivity

Lactose intolerance test

Gluten allergy test

Liver function test

Serological testing for celiac disease

Hydrogen breath testing

Lab tests especially exclude the possibility of another IBS like disorder. Generally, Parasitic infestation, Lactose intolerance, and celiac disease may cause IBS like symptoms.


The differential diagnosis for confirming irritable bowel syndrome


Irritable Bowel Syndrome Causes TreatmentBelow is the list of conditions that may have similar symptoms like IBS.

Rectal carcinoma

Inflammatory bowel disease


Thyroid disorders

Gluten sensitivity

Microscopic colitis


Non-celiac gluten sensitivity

Lactose intolerance

Celiac disease


It is important to rule out the possibility of celiac disease for each patient suffering from irritable bowel syndrome.

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