Scabies herpeticum is crusted scabies with superimposed Herpes simplex. It may be viewed as a form of Kaposi's Varicelliform Eruption (KVE, Herpes simplex infection of a pre-existing dermatosis).
Clinical features:
(1) presence of crusted scabies, with no or minimal pruritis
(2) appearance of vesicles and/or pustules showing Herpes simplex
Crusted scabies is associated with immunodeficiency/immunosuppression (as well as other conditions). In these patients bacterial and fungal infections may occur, including sepsis.
Management can be challenging since several different processes need to be controlled.
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