A distended upper abdomen, also known as diastasis recti, is typically caused by the stretching and resultant thinning of the linea alba tissues along the front wall of the stomach, according to Twiniversity. The linea a... More » Health Conditions & Diseases

Illnesses that cause a distended abdomen, pressure and a feeling of fullness include irritable bowel syndrome, indigestion, inflammatory bowel disease and an intestinal parasite infection, according to Healthline. Pancre... More » Health Pain & Symptoms

The term distended stomach usually indicates the abdomen is enlarged or swollen, according to MedicineNet. Bloating is another term for the condition. Overeating is one of the most common causes of a distended stomach, r... More » Health Conditions & Diseases Gastrointestinal Issues
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The primary symptom of diastasis recti in men is a distinctive bulge in the middle of the abdomen, according to Mayo Clinic. The condition also can cause lower back pain and constipation. In rare cases, it can tear, resu... More » Health Conditions & Diseases

A hernia repair operation is a surgical procedure to repair weak tissue or close a breach in the abdominal wall so that internal tissues and organs, such as the intestines, cannot push through it, states Gore. A surgeon ... More » Health Conditions & Diseases

Surgery to correct a stomach hernia usually entails small abdominal incisions, and the insertion of surgical instruments into the abdomen to examine and repair the hernia, according to WebMD. No dietary restrictions are ... More » Health Conditions & Diseases

Many conditions cause pain in the upper abdomen, including heart problems such as decreased cardiac blood flow, which doctors call angina, or a heart attack. Problems with the digestive system, such as gastroesophageal r... More » Health Conditions & Diseases