Chronic abdominal pain may occur as a result of many of the conditions listed in Table 53.1 Colic is a common cause of recurrent or chronic abdominal pain in infants younger than months of age, but should only be considered if the pain is not accompanied by other findings or symptoms (see Chapter 20 Crying ) Other causes of recurrent abdominal pain in infants must also be considered These include gastroesophageal reflux, intussusception; malrotation with intermittent volvulus; mild-protein allergy; and various malabsorptive diseases such as cystic fibrosis, celiac disease, and lactase deficiency FIGURE 53.2 Acute abdominal pain (postmenarchal female)