constipation
child not passing stools more than three weeks
causes
stress fear of toilet Hirschsprung disease dehydration low fibre diet associated pain on passing stool
conservative management
ensure enough fluid and fibre intake
encourage going to toilet, make it an enjoyable experience
medical management
movicol
stimulant laxative
osmotic laxative
hirschprung disease
chronic constipation
causes of HD
in utero distal colon not innervated properly so is unable to distend properly
results in back pressure of stool
signs
delayed meconium passing
forceful evacuation of meconium on DRE
distended abdomen
investigation
rectal suction biopsy
management
rectal wash out
removal of aganglionic colon