1. What is infantile intussusception? Infantile intussusception, also known as intestinal obstruction, is a common condition of acute abdominal pain in infants and young children. It is an intestinal blockage caused by parts of the intestine sliding past each other. This condition usually occurs within the first few months of life, but can also occur in young children as young as 2 years old. If not treated promptly, it may lead to