Extremely low blood pressure can develop in seconds (as with bleeding from trauma), in minutes (as with a peanut allergy), or over the course of hours (as with a worsening infection, such as toxic shock syndrome).
Eventually the contents start backing up.â. Here are the most common bowel obstruction symptoms: 1  Distended (swollen or bloated) abdomen. 2  Nausea. 3  Vomiting â color and texture of vomit may help diagnose the obstruction. 4  Change in bowel habits. 5  Constipation. 6  Very thin stools. 7  Blood in the stool, especially likely if cancer is a cause.
Symptoms of Intestinal obstruction depend on the cause of the blockage. 1  A few of the symptoms are: 2  Nausea and vomiting. 3  Inability to pass gas through rectum. 4  Abdominal bloating and gas. 5  Constipation. 6  Diarrhoea. 7  Pain and cramps in abdomen that feels like intense waves striking at intervals of five to fifteen minutes.