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).
The symptoms of a bowel obstruction are. 1  Feeling bloated and full. 2  Pain (usually colicky tummy pain). 3  Feeling sick. 4  Vomiting large amounts (including undigested food or bowel fluid).
Colon cancer symptom: Typical symptoms/signs from a local colon cancer include bleeding or back stool from bowel, abdominal pain, unexplained iron deficiency anemia, and/or a change in bowel habits. If abdominal distention, and/or nausea and vomiting occur, this may indicate a bowel obstruction or pending obstruction. ...