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).
Bowel Obstruction Symptoms. Obstructed bowel symptoms depend on the cause of the obstruction, where the obstruction is located, and how long it has taken for the obstruction to cause problems. âIn general, the lower down the obstruction occurs, the longer it takes to really manifest itself,â says Pasricha.