Functional bowel disease Flashcards
Triad of IBS
Abdominal pain, bloating and abnormal bowel habits
What reflex is exaggerated in IBS
gastro-colonic reflex
Anti-Diarrhoeal used in IBS
loperamide
laxative to avoid in IBS
lactulose
Best drugs for IBS
antidepressants - TCA 10th dosage - good for diarrhoea
Mechanism of 5HT drug in diarrhoea IBS
5HT3 antagonist - they have too much 5HT
mechanism of 5HT drugs in constipation IBS
5HT4 agonist - they don’t have enough example - Renzapride
What is Prucalopride
5HT4 agonist approved for IBS
Anti spasmodic used in IBS
mebeverine
Three gastro differentials for vomitting, diarrhoea and pyrexia
A. Infectious gastroenteritis – viral or bacterial
B. Inflammatory bowel disease
C. post-infectious IBS
Sudden onset of diarrhoea
invective
Blood in diarrhoea
dysentery and in inflammatory bowel disease
Mucus in stools
IBD and IBS
Complication of C Diff
pseudomembranous colitis which can lead to toxic megacolon and colonic perforation
Treatment of C diff
ORAL vancomycin, metronidazole or fidaxomicin.
Virus that gives young children diarrhoea
rotavirus
Drugs that can casue diarrhoea
antibiotics, antiacids and anti-motility agents
Managements of acute diarrhoea
fluids, fluids, fluids - ORS
If diarrhoea lasts more than ten days what should you suspect?
parasitic causes
Test for acute diarrhoea
stool culture
If someone has been in hospital for more that how many days do you suspect nosocromial diarrhoea?
more than three days - suspect C diff
Which ecoli causes a lot of acute diarrhoea?
E.coli H7:O157 (E 0157)
Campylobacter treatment
macrolide
Campylobacter transition
feocal oral