Meconium ileus has a significant risk of intestinal perforation. Diagnosis of gallstone ileus requires radiographic studies. Rare reports of fatal paralytic ileus associated with abdominal distention have been made. Ileal atresia can also result as a complication of meconium ileus. Most patients with gallstone ileus are asymptomatic. It is also a rare cause of ileus, pancreatitis, cholecystitis, and cholangitis.. Meconium ileus is often the first sign of cystic fibrosis. It is also a rare cause of ileus, pancreatitis, cholecystitis, and cholangitis. Paralytic ileus is commonly seen as a result of anticholinergic toxicity. Gastrointestinal obstruction and ileus are less common but serious adverse effects. She was suffering from paralytic ileus and a lung infection. The presence of meconium ileus is not related to the severity of the cystic fibrosis. Of these, bowel obstruction is most common, followed by ileus and perforation. Meconium ileus was first described in 1905 by Karl Landsteiner. Docusate is not recommended in people with appendicitis, acute abdomen, or ileus.