Exanthems - Dr. Zeller

​Key history & PE components for diagnosing viral exanthems:
- Hx: Where did it start, & where has it spread?  Pruritic?  Associated symptoms?  
- PE: Appearance?  Confluence?  Palms & soles?  Oral lesions?  Lymphadenopathy?

Key clinical features:
- Measles - 3C's, cephalocaudal spread, confluencing rash, koplik spots
- Rubella - Cephalocaudal spread, lymphadenopathy, forscheimer spots
- Erythema infectiosum - parvo B19, slapped cheek rash, lacy rash, aplastic anemia
- Roseola - Centripetal spread, fever defervesces before rash
- Chickenpox - Lesions of different stages, dewdrops on a rose petal, pruritic

- Mumps - Parotitis, orchitis
- Coxsackie - Rash not just on hands, feet, & mouth

- Mono - Rash not just after ampicillin
- Nonspecific - MC viral exanthem

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