It is a bowel transit disorder that causes a reduction in the frequency of defecation, with less than three bowel movements per week, generally of scanty and hard stools. It is a frequent reason for consultation in children and adolescents.
The main cause is the slowing of bowel movements and a diet lacking or exempt of fiber; certain diseases favor it.
The diagnosis is clinical, by means of interrogation and physical examination. Dietary habits, drug intake and concomitant diseases should be questioned. Depending on the symptoms, it may be necessary to perform tests to determine the cause: abdominal X-ray, colonoscopy, etc.
Treatment will focus on solving the cause. In most cases, adding fiber to the diet, drinking abundant water and doing sports regularly will be recommended.
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