Travel related diarrhoea: nathwani Flashcards
what parasites cause this?
- amoeba
- giardia
- cryptosporidium
what is the main cause of travellers diarrhoea though?
enterotoxigenic E.coli
if patients have ___ they can have a specifically severe disease
IBD
what is the average duration of untreated traveller’s diarrhoea?
about 4 days
most of the time ____ are not used in treatment
antibiotics
patients are given Early _____ treatment of diarrhoea – single dose of _____ and short term ___-_____
Early symptomatic treatment of diarrhoea – single dose of ciprofloxacin and short term anti-diarroheals
_____ generally not commended
prophylaxis
______ is a protozoal infection spread by faeco-oral route or by an ill or asymptomatic carrier
amoebiasis
____ Common in areas of poor sanitation
amoebiasis
what is the diarrhoea like in amoebiasis?
acute bloody diarrhoea - may mimic acute colitis
In small number of patients with amoebiases the bug can go into blood - then ____ ___ and cause ___ ___
portal vein, liver abscess
how is amoebiasis diagnosed?
intestinal Diagnosis by examination of hot stool for ova and cysts - M and C
Serology may also be of use especially in extra-intestinal disease
what is the treatment for amoebiasis
Treatment: metronidazole. Remove from lumen by using diloxanide furoate or paromomycin
Protozoon Giardia lambia trophozoites colonizes the ___ ____ ___ to produce diarrhoea and ______; often explosive, protracted and foul smelling
Protozoon Giardia lambia trophozoites colonizes the small bowel mucosa to produce diarrhoea and malabsorption; often explosive, protracted and foul smelling
how does giardia spread?
Infection spread by cysts found in normal drinking water
