« Back to Infections and Infestations

Viral Exanthems

»	What is the difference between an exanthem and an enanthem?
»	Which viruses cause exanthems?
»	How do viruses cause exanthems?
»	Which viruses cause morbilliform (measles-like) eruptions?
»	Which viruses cause grouped blisters on a red base?
»	Which viruses cause hand, foot, and mouth disease?
»	What is the difference between Gianotti-Crosti syndrome and papular acrodermatitis of childhood?
»	Which are the most common viruses that cause papular acrodermatitis of childhood?
»	Which virus classically causes a lacy eruption?
»	Which viruses cause scarlatina (scarlet fever–like) eruptions?
»	Which virus causes purpura of the hands and feet?
»	Do viral exanthems cause petechiae?
»	Can viral exanthems be on one half of the body?
»	Which disorder most commonly mimics a viral morbilliform eruption?
»	What are the clinical features of roseola infantum (exanthem subitum, sixth disease)?
»	How does sunlight exposure affect a viral exanthem?
»	What is the STAR complex?
»	Which viruses cause the STAR complex?

Which viruses cause morbilliform (measles-like) eruptions?

Fig. 24.1 Morbilliform viral eruption. Numerous widespread red macules and papules. (Courtesy of the Walter Reed Army Medical Center.)

Measles, rubella, enteroviruses, human herpesvirus (HHV) –6 and –7, Epstein-Barr virus (EBV), and cytomegalovirus (CMV) (Fig. 24-1).

Ramsay M, Reacher M, O’Flynn C, et al: Causes of morbilliform rash in a highly immunized English population, Arch Dis Child 87:202–206, 2002.