What is it?

Functional disorders of the stomach are pretty common, and are characterized with gut-brain disorders of interaction. These disorders are not related to any structural abnormalities, rather the function refers to neuromuscular abnormalities. Gastroduodenal functional disorders include:
-Functional dyspepsia- symptoms of indigestion without a known cause
-Belching disorders characterized by the excessive belch and disturbance
-Nausea and vomiting disorders
-Rumination syndrome- a rare behavioral disorder in which food is brought back up from the stomach. It's either rechewed, swallowed, or spit out.
-Centrally mediated abdominal pain syndrome (CAPS) – continuous or frequently recurrent abdominal pain, either not or infrequently related to gut function, and associated with some loss of daily activities.

196 Alikes with Disorders of Function of Stomach

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Disorders of Function of Stomach.

Additional names

This group contains additional names:
- Functional dyspepsia
- Achlorhydria
- Gastrostomy Complications
- Dilation of Stomach

Signs & symptoms

Symptoms may include epigastric fullness, pain, burning sensation, bloating, discomfort, nausea, early satiety, vomiting undigested food.


These disorders must be considered only after excluding structural and metabolic diseases by taking thorough medical history, routine laboratory studies, and ultrasound imaging. Then, solid-phase gastric emptying studies may detect gastroparesis, electrogastrography detects disturbed myoelectrical dysfunction. Also, there are more invasive tests such as intraluminal pressure and gastric tone recording.


There is no cure for disorders of function of stomach and treatment may include dietary counseling and gastroprokinetic agents.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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