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Eczema herpeticum is a rare but severe disseminated infection that generally occurs at sites of skin damage produced by, for example, atopic dermatitis, burns, long term usage of topical steroids or eczema. It is also known as Kaposi varicelliform eruption, Pustulosis varioliformis acute and Kaposi-Juliusberg dermatitis.
Some sources reserve the term "eczema herpeticum" when the cause is due to human herpes simplex virus, and the term "Kaposi varicelliform eruption" to describe the general presentation without specifying the virus.
This condition is most commonly caused by herpes simplex virus type 1 or 2, but may also be caused by coxsackievirus A16, or vaccinia virus. It appears as numerous umbilicated vescicles superimposed on healing atopic dermatitis. it is often accompanied by fever and lymphadenopathy. Eczema herpeticum can be life-threatening in babies.
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It can be treated with systemic antiviral drugs, such as acyclovir or valaciclovir. Foscarnet may also be used for immunocompromised host with Herpes simplex and acyclovir-resistant Herpes simplex.
- Olson J, Robles DT, Kirby P, Colven R (2008). "Kaposi varicelliform eruption (eczema herpeticum)". Dermatology online journal 14 (2): 18. PMID 18700121.
- "eczema herpeticum" at Dorland's Medical Dictionary
- "Kaposi varicelliform eruption" at Dorland's Medical Dictionary
- Brook I, Frazier EH, Yeager JK (April 1998). "Microbiology of infected eczema herpeticum". Journal of the American Academy of Dermatology 38 (4): 627–9. doi:10.1016/S0190-9622(98)70130-6. PMID 9555806.