06 October, 2010

Exanthema subitum( Roseola)

Clinical course of Roseola (Exanthama subitum)

Roseola= Exanthema subitum
This disease may suffer 2/3 of the Japanese child.

Etiology: human herpes virus - 6.

EM image : x 25,000(Dr. Kazuto Yamaguchi,Department of Animal
Experiment, Yamaguchi University School of Medicine)

Age: 3 months to 3 years (frequently 7 months~ 1.5 years)

Clinical course:
||||||||||||||||||1) high fever(39~40℃) last for 3~5 days.
||||||||||||||||||||||| but child do not seem very sick.
||||||||||||||||||2) no cough, no runny nose( frequently, loose or watery stool) .
||||||||||||||||||3) a fever subside, then a red rash appear in body.
||||||||||||||||||||||||The type of rash is variable; Rubella like~Measles like~
||||||||||||||||||||||||or diffuse pink rash. Rash disappear in several days.

|||||||||||||||1) febrile convulsion
|||||||||||||||2) encephalitis (rare)

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