13 year old child constipation should be adequately examined to clarify whether there is organic constipation, the examination can be done endoscopy, gastrointestinal ultrasound, colon transmission test, fecal imaging and so on.
1. endoscopy: 13-year-old child constipation if weight loss or accompanied by anemia, should do colonoscopy, can directly observe the colon, rectum whether there are lesions.
2. Gastrointestinal ultrasound: abdominal ultrasound can understand the function of gastrointestinal motility, which helps to diagnose the etiology of constipation.
3. Colonic transmission test: mainly used as a marker for impermeable X-rays, it can help to assess whether constipation is of the slow-transmission type or the exit obstruction type.
4. Fecography: constipation in a 13 year old child may also be caused by pelvic floor dyssynergia, and fecography can be used to diagnose outlet obstruction such as pelvic floor dyssynergia.
The causes of constipation are many, should be systematic examination to find out the cause of the disease, to be able to better targeted treatment, specific can consult a professional physician opinion.