Functional bowel disorders Flashcards
what is a functional bowel disorder ?
disorder with no detectable pathology
‘software fault’
what are examples of functional bowel disorders ?
oesophageal spasm non-ulcer dyspepsia biliary dyskinesia IBS slow transit constipation drug related effect
what is non-ulcer dyspepsia ?
dyspeptic pain with no ulcer present
H.Pylori status varies
how do you treat non-ulcer dyspepsia ?
treat symptomatically
eradicate H.Pylori
what is the likely cause of nausea/vomiting immediately after eating ?
psychogenic
what is the likely cause of nausea/vomiting 1 hour or more after eating ?
pyloric obstruction
motility disorders - diabetes, post gastrectomy
what is the likely cause of nausea/vomiting 12 hours after eating ?
obstruction
what are functional causes of nausea/vomiting ?
drugs pregnancy migraine alcohol cyclical vomiting syndrome - children
what are organic causes of constipation ?
strictures tumours diverticular disease proctitis anal fissure
what are functional causes of constipation ?
megacolon
idiopathic
depression
psychosis
what are the systemic cause of constipation ?
diabetes
hypothyroidism
hypercalcaemia
what are the neurogenic causes of constipation ?
autonomic neuropathies Parkinson's stroke MS spina bifida
what are the clinical features of IBS ?
abdominal pain altered bowel habit bloating wind and flatus mucus
what are the investigations for IBS ?
bloods
stool culture
calprotectin
FIT testing
what is the treatment for IBS ?
dietetic review - FODMAP
dependent on whether its IBS-D or IBS-C
