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Feeling of fullness and indigestion are very common symptoms among general population. Everyone can experience bloated stomach once in a while, but if those symptoms reoccur very often, there may be a need to visit your doctor and examine the functioning of your digestive system. Here are some of the most common causes of indigestion problems.

Bad Nutrition and Lifestyle Habits

Intake of large amounts of food in one meal can exceed the ability of stomach and bowels to digest all the food, so there is a stasis in digestion process. Consequently, the stomach and small intestine are filled with food which produces feeling of fullness, abdominal pain, and sometimes, nausea and vomiting. Also, if the food has not been chewed enough and if you eat too quickly, that can also contribute to digestion difficulties.

Persons who repeatedly have indigestion and feeling of fullness are advised to have 5 or more meals a day with small portions of food.

Sedentary lifestyle, fast food with high amount of sugar, and carbonated drinks

can also cause these problems. Although vegetables are very healthy and have high nutritive value, they can sometimes cause indigestion if taken raw and in large amounts, especially Brussels sprouts, some beans, and cabbage. Moderate physical activity is recommended as it boosts the functioning of digestive system, but you should wait at least two hours after eating before you start exercising. Do not lie down right after eating. Instead, you can rest in sitting position or take a walk.

Air Swallowing

Collection of air in stomach and bowels can cause the unpleasant feeling of fullness. Air swallowing is increased in smokers, nervous persons, people who wear dentures, quick-eaters, etc. Fermentation of foods rich in sugar and carbonated drinks can release gasses inside the stomach, thus producing similar symptoms. It is therefore advised to eat more slowly and to lower the intake of those foods.


Constipation occurs because of many different reasons, but the symptoms are always the same: feeling of fullness, bloated stomach, and abdominal pain. Foods that cause constipation are: dairy products, red meat, chips, chocolate, bananas, fried food, etc. Many medications can also cause constipation, such as: opioid analgesics, antidepressants, and iron supplements.


Ileus is a disruption in passage through any part of digestive system. It can be obstructive, when there is a mechanical obstruction or paralytic when there is a dysfunction of normal movements of bowel walls. Causes of obstructive ileus include foreign bodies, hernias, tumors of bowels or surrounding organs, Crohn's disease and many others. Paralytic ileus may develop after abdominal surgery or due to serious infections of bowels. The symptoms include nausea and vomiting if the obstruction affects the upper parts of digestive tube, and obstipation and abdominal pain if lower portions are affected. Surgery is indicated in most cases of severe obstructions, although sometimes the problem may resolve spontaneously.

Irritable Bowel Syndrome

Irritable bowel syndrome is a condition where bowel movements are inappropriate, thus causing abdominal pain, bloated stomach and indigestion. The causes are variable and some of them include viral and bacterial infections, celiac disease, and food allergies.

Lactose Intolerance

Lactose intolerance represents the inability to digest lactose because of the inborn deficiency of enzyme called lactase which is normally produced by pancreas. Lactose is a disaccharide sugar contained in milk and dairy products. These persons develop symptoms of intolerance only if lactose is ingested and they include bloated stomach, flatulence, indigestion, and diarrhea. After diagnosing, lactose should be removed from their diet in order to avoid unpleasant symptoms.

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