Dengue fever natural history, complications and prognosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Dengue fever generally lasts a week or more, and can rarely be complicated by bleeding, febrile convulsions and coma. While the disease is generally non-fatal, Dengue fever can be life-threatening in people with chronic diseases such as diabetes and asthma.

Natural History

Dengue fever generally lasts about six to seven days, with a smaller peak of fever at the trailing end of the fever (the so-called "biphasic pattern"). The platelet count will drop until the patient's temperature is normal.

Complications

Possible complications of Dengue fever include:

• Febrile convulsions
• Severe dehydration
• Bleeding including bleeding from the stomach which should be suspected if your stools are black and tarry
• Coma

Prognosis

Although uncomfortable, dengue fever is generally not deadly. However, Dengue fever can be life-threatening in people with chronic diseases such as diabetes and asthma.