MSRA: Gastroenteritis Flashcards
Give two risk factors for c.diff infection
Broad-spectrum antibiotics -> Clindamycin
Proton pump inhibitors (PPIs)
Which antibiotic is first line in the management of c.diff?
Oral Vancomycin
What is the management of recurrence of c.diff?
If within 12 weeks of symptoms resolution -> oral Fidaxomicin
If after 12 weeks -> oral Vanc or Fidaxomicin
What are the key features of e.coli infection?
Most common cause of traveller’s diarrhoea
Watery stools, abdominal cramps and nausea
What are the key features of shigella infection?
Bloody diarrhoea, vomiting and abdominal pain
What are the key features of bacillus cereus infection?
Diarrhoea and vomiting
Reheated rice
Shortest incubation time (symptoms within 6 hours)
What are the key features of campylobacter infection?
Flu-like prodrome with headaches and malaise
Bloody diarrhoea and abdominal pain
Pain mimics RIF in appendicitis
What is the first-line antibiotic for campylobacter?
Clarithromycin
(Ciprofloxacin is an alternative due to increasing resistance to Clarithromycin)
What are the key features of Giardia infection?
Prolonged, non-bloody diarrhoea
No other symptoms
Long incubation
Malabsorption/steatorrhoea
What is the most likely causative organism of vomiting within a few hours of eating something bad?
Staph aureus
Which antibiotics are given for life-threatening c.diff?
Oral Vancomycin + IV Metronidazole
Infection with which organism may mimic appendicitis?
Campylobacter jejuni
What is the antibiotic treatment of Salmonella?
Ciprofloxacin
What is the most common cause of gastroenteritis in infants?
Rotavirus