Diarrhoea

Question 1

What are the infective causes of diarrhoea?

Answer 1

• Bacterial e.g campylobacter, shigella/salmonella, E.Coli – associated with bloody diarrhoea, fever, unwell
  C.Difficile causing pseudomembranous colitis – can lead to toxic megacolon
• Viral e.g. rotavrius – watery diarrhoea, crampy abdominal pain and vomiting

Question 2

What are the non-infective causes of diarrhoea?

Answer 2

• Ischaemic colitis
• IBD
• Constipation with overflow diarrhoea
• Acute appendicitis

Question 3

What are the non-GI causes of diarrhoea?

Answer 3

• Anxiety

- Drugs (PPI, laxatives, abx, NSAIDS)

Question 4

What does IgA TTG test for?

Answer 4

Coeliac disease (and other autoimmune conditions but this one primarily)