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).
âThere is a lot of capacity of the bowel to expand and adapt. Eventually the contents start backing up.â. Here are the most common bowel obstruction symptoms: Distended (swollen or bloated) abdomen. Nausea. Vomiting â color and texture of vomit may help diagnose the obstruction. Change in bowel habits. Constipation.