Giardiasis Flashcards
1
Q
What causes giardiasis?
A
Giardia lamblia/intestinalis
2
Q
How is giardia transmitted?
A
Faecal oral
3
Q
What is the pathogenesis of giardia?
A
Cysts turn into trophozoites that live on the intestinal villi, then encyst and cysts released in faeces
4
Q
What are the symptoms of giardiasis?
A
Asymptomatic Watery diarrhoea Steatorrhoea Malabsorption Failure to thrive
5
Q
How do you diagnose giardia?
A
Stool microscopy for cysts
Trophozoites seen in watery diarrhoea
Giardia antigen
Small bowel biopsy
6
Q
How do you treat giardiasis?
A
Most infections are self limiting
Metronidazole
Albendazole
If pregnant paromomycin
7
Q
How do you prevent giardia?
A
Surface water treatment
Boil and filter water
Improve hygiene
