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In particular, Xiaoming et al

The most common are Poor or abnormal motility Low tone or hypotonia Structural anomalies Neuromuscular anomalies Metabolic/toxic or allergic abnormalities Lack of urge to defecate Specific Syndrome where constipation is common Diet containing poor fluid and poor fiber No mobility or poor mobility (Immobility) Post surgical procedures Consuming medicines such as strong pain killer( narcotics), non-steroidal anti-inflammatory drugs, like ibuprofen, medicines used as an antidepressant, including the selective serotonin reuptake inhibitors, antacids containing calcium or aluminum, iron pills, allergy medications, such as antihistamines, certain blood pressure medicines, including calcium channel blockers, psychiatric medications, anticonvulsant/seizure medications, anti-nausea medications, etc Medical and health conditions such as endocrine problems, spinal cord injury, lazy bowel syndrome, etc Treatment of constipation is a complex method so prevention should be the first goal to manage children who are constipated

This perfectly matches the bodys natural rhythm for releasing growth hormone while you sleep
Recurrence following surgical excision is common