Shigellosis differential diagnosis: Difference between revisions
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Shigellosis must be differentiated from other diseases that cause [[fever]], [[bloody diarrhea]], [[dehydration]], [[tachycardia]] and [[low blood pressure]], such as [[Ebola]], [[Typhoid fever]], [[Malaria]] and [[Lassa fever]]. The laboratory must be told specifically to test the samples for [[shigella]], since this test is not commonly done.<ref>http://www.cdc.gov/ncidod/dbmd/diseaseinfo/shigellosis_g.htm</ref> | Shigellosis must be differentiated from other diseases that cause [[fever]], [[bloody diarrhea]], [[dehydration]], [[tachycardia]] and [[low blood pressure]], such as [[Ebola]], [[Typhoid fever]], [[Malaria]] and [[Lassa fever]]. The laboratory must be told specifically to test the samples for [[shigella]], since this test is not commonly done.<ref>http://www.cdc.gov/ncidod/dbmd/diseaseinfo/shigellosis_g.htm</ref> | ||
== | ==Differentiating Shigellosis from other Diseases== | ||
The table below summarizes the findings that differentiate [[Shigellosis]] from other conditions that cause [[fever]] and [[hemorrhage]]: | The table below summarizes the findings that differentiate [[Shigellosis]] from other conditions that cause [[fever]] and [[hemorrhage]]: | ||
Revision as of 16:59, 14 July 2014
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]
Overview
Shigellosis must be differentiated from other diseases that cause fever, bloody diarrhea, dehydration, tachycardia and low blood pressure, such as Ebola, Typhoid fever, Malaria and Lassa fever. The laboratory must be told specifically to test the samples for shigella, since this test is not commonly done.[1]
Differentiating Shigellosis from other Diseases
The table below summarizes the findings that differentiate Shigellosis from other conditions that cause fever and hemorrhage:
| Disease | Findings |
|---|---|
| Ebola | Presents with fever, chills vomiting, diarrhea, generalized pain or malaise, and sometimes internal and external bleeding, that follow an incubation period of 2-21 days. |
| Typhoid fever | Presents with fever, headache, rash, gastrointestinal symptoms, with lymphadenopathy, relative bradycardia, cough and leucopenia and sometimes sore throat. Blood and stool culture can confirm the presence of the causative bacteria. |
| Malaria | Presents with acute fever, headache and sometimes diarrhea (children). A blood smears must be examined for malaria parasites. The presence of parasites does not exclude a concurrent viral infection. An antimalarial should be prescribed as an empiric therapy. |
| Lassa fever | Disease onset is usually gradual, with fever, sore throat, cough, pharyngitis, and facial edema in the later stages. Inflammation and exudation of the pharynx and conjunctiva are common. |
| Yellow fever and other Flaviviridae | Present with hemorrhagic complications. Epidemiological investigation may reveal a pattern of disease transmission by an insect vector. Virus isolation and serological investigation serves to distinguish these viruses. Confirmed history of previous yellow fever vaccination will rule out yellow fever. |
| Others | Viral hepatitis, leptospirosis, rheumatic fever, typhus, and mononucleosis can produce signs and symptoms that may be confused with Ebola in the early stages of infection. |