An occlusion in thesmall intestine may cause the following symptoms:

• Fairly intense abdominal cramps, occurring at intervals of 5 to 15 minutes (faster cycle in case of proximal obstruction, slower in case of distal obstruction);
• Nausea;
• Vomitings;
• Diarrhea (initially, by accelerated emptying of the part of the intestine downstream of the obstruction);
• Bloating;
• A total cessation of the elimination of stool and gas;
• Fever.

Symptoms of an occlusion colon are mainly:

• A swollen abdomen;
• Abdominal pain, diffuse and moderate or sharp and intense, depending on the cause of the obstruction;
• A total stop of the elimination of stool and gas.