Functional gastrointestinal disorder (GI) is characterized by abdominal symptoms but no organ damage. This symptom can be present in any part of the digestive tract such as: esophagus, gastroduodenal, intestine.

Dyspepsia is an abnormal manifestation of the digestive system, which can occur at any age. The disease is not life-threatening at all. However, when suffering from digestive disorders, patients have to face inconveniences in daily life such as flatulence, indigestion, abdominal pain or constipation...