Fourteen-year-old child with pain around the navel, constipation, always recurring what happened?

Fourteen-year-old child pain around the navel, constipation, always repeated may be due to functional constipation, gastrointestinal dysfunction, congenital megacolon and other causes.
1. Functional constipation: Functional constipation is generally caused by poor bowel habits, long-term eating too little and other factors, there may be poor bowel movements, the number of bowel movements to reduce the symptoms, may also lead to the fourteen-year-old child pain around the navel, constipation, always repeated.
2. Gastrointestinal dysfunction: gastrointestinal dysfunction may be caused by irregular diet, mental stress and other reasons, there may be indigestion, defecation discomfort and other symptoms, may also cause fourteen-year-old child pain around the navel, constipation, always repeated symptoms.
3. congenital megacolon: congenital megacolon is usually caused by genetic factors, environmental factors, etc., the patient may have prolonged defecation time, defecation difficulties, etc., may also trigger the fourteen-year-old child pain around the navel, constipation, always repeated symptoms.
Fourteen-year-old child pain around the navel, constipation, always recurring, there may be other reasons, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.