Without environmental protection and regulation, 1  Industry would have unlimited ability to produce chemicals for use as pesticides, additives, etc without being required to measure their effects on people or their accumulation in water or soils and their impact on the ecosystem.
Bowel obstruction usually presents with colicky pain, abdominal distension, vomiting and constipation. Abdominal xray in erect posture will confirm the diagnosis. So if you have the above symptoms report to ER to rule out intestinal obstruction.
A less common digestive tract disorder is obstruction of the intestine, which causes vomiting because food and fluids back up into the stomach because of the obstruction. Many other abdominal disorders that cause vomiting also cause significant abdominal pain (see Acute Abdominal Pain).