Reading Time:
Pathology
Human-only, non-motile gram negative rods.
Aetiology
4 Shigella species (in descending order or severity): Shigella dysenteriae, S. flexneri, S. boydii, S. sonnei.
Incubation: 1-7 days.
Signs
Fever, dehydration. .
Symptoms
Severe prodrome: headache and abdominal pain. Diarrhoea.
Investigations
Microbiology: Stool culture
Treatment
Conservative: Usually self-limiting.
Medical: Antibiotics reduce the severity and time course of the disease by about
2 days and reduce infectivity
Prognosis
Excellent. Faecal carriage continues for 3-4 weeks, and abdominal symptoms may persist for 4 -5 weeks.
Rectal prolapse, HUS, seizures in small children, reactive arthritis.
Key Facts
Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. Felis aliquet egestas vitae, nibh ante quis quis dolor sed mauris.
Key Images
Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. Felis aliquet egestas vitae, nibh ante quis quis dolor sed mauris.
Key References
Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. Felis aliquet egestas vitae, nibh ante quis quis dolor sed mauris.