Paratyphoid fever history and symptoms

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

Overview

The incubation period of paratyphoid infections is 6–30 days.
The onset of illness is insidious, with gradually increasing fatigue and a fever that increases daily from low-grade to as high as 102°F–104°F (38°C–40°C) by the third to fourth day of illness.
Headache, malaise, and anorexia are nearly universal.
A transient, macular rash of rose-colored spots can occasionally be seen on the trunk.
Fever is commonly lowest in the morning, reaching a peak in late afternoon or evening. Untreated, the disease can last for a month.