"Unexplained symptoms relating to disturbance of colon
50% - start of symptoms relate to a major life event
20% - start of symptoms relate to acute gastroenteritis
Pathogenesis:
1)brain-gut axis theory:
serotonin a 'neurotransmitter' in bowel & brain.
? abnormal signals transmitted between gut and brain
2)small intestinal bacterial overgrowth:
population of bowel with inappropriate bacteria.
Diet: Restrict
-Dairy products
-cauliflower