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Intercostal retractions occur when the muscles between the ribs pull inward. The movement is most often a sign that the person has a breathing problem. Intercostal retractions are a medical emergency.
Abdominal distension can occur in any age group or population. Abdominal distension can be due to a mild condition, such as mild indigestion or overeating. Abdominal distension can also happen in a moderate condition, disorder or disease, such as premenstrual syndrome, colic or being overweight.