Prodrome: Headache, malaise, photophobia
Antecedent pruritus, paresthesia, pain to dermatome 2-3 days prior to rash
Maculopapular rash (see below) progresses to vesicles, may coalesce to bullae, in dermatomal distribution lasting 10-15 days
Does not cross midline
Typically affects chest/face
Lumbar and sacral dermatomes may display skin sparing between the feet and groin
V3 involvement can present initially as dental pain
Herpes zoster
Febrile
Smallpox
Diffuse distribution
Measles
Varicella
Erythema infectiosum
Disseminated gonococcal disease